## Sunday, September 30, 2007

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Deir Yassin massacre refers to the killing of about 107 to 120
List of massacres committed during the 1948 Arab-Israeli war
Milstein, Uri [1987] (1998). "Chapter 16: Deir Yassin", History of the War of Independence IV: Out of Crisis Came Decision (in Hebrew, English version translated and edited by Alan Sacks). Lanhan, Maryland: University Press of America, Inc., 343-396. ISBN 0-7618-1489-2.
Morris, Benny (1989). The Birth of the Palestinian Refugee Problem, 1947-1949. Cambridge, UK ; New York: Cambridge University Press. ISBN 0-521-33028-9.
Morris, Benny (2003). The Birth of the Palestinian Refugee Problem Revisited. Cambridge, UK ; New York: Cambridge University Press. ISBN 0-521-81120-1; ISBN 0-521-00967-7 (pbk.).
Morris, Benny (2005). "The Historiography of Deir Yassin". Journal of Israeli History 24 (1): 79-107.
Katz, Shmuel (1973) Battleground: Fact and Fantasy in Palestine Shapolsky Pub; ISBN 0-933503-03-2
Gelber, Yoav (2006). Palestine 1948. Sussex Academic Press. ISBN 1-84519-075-0
Sharif Kanaana and Nihad Zitawi, "Deir Yassin," Monograph No. 4, Destroyed Palestinian Villages Documentation Project (Bir Zeit: Documentation Center of Bir Zeit University, 1987), p. 55.
"There was no Massacre there" by Yerach Tal, in Ha'Aretz, 8 September 1991, page B3.
"Indeed there was a Massacre there" by Danny Rubinstein, in Ha'Aretz, 11 September 1991.
Larry Collins and Dominique Lapierre, O Jerusalem!, History Book Club, 1972, ISBN 0-671-66241-4, p303-314.
The Ghosts of Deir Yassin
Irgun - Essay by Prof. Yehuda Lapidot from the IZL (Irgun) site
"Remembering Deir Yassin" by James Zogby, Al-Ahram Weekly
"On Recent Hebrew and Israeli Sources for the Palestinian Exodus, 1947-49" (Database access required) by Nur-eldeen Masalha, Journal of Palestine Studies, Vol. 18, No. 1, Special Issue: Palestine 1948 Autumn, 1988), pp. 121-137
www.us-israel.org - Essay by Mitchell Bard.
[4] - Essay by Paul Holmes
Zionist Organisation of America - Essay by Sid Zion.
PEACE Middle East Dialog Group
Webpage opposing the massacre theses
Compilation of sources and essays (PDF, 188 pages)

## Saturday, September 29, 2007

Lieutenant Colonel William Pershing Benedict (d. August 31, 1974) was an American pilot from California. He wanted to join the U.S. Army Air Force for pilot training, but was rejected due to his modest education. Instead, he joined the Canadian Air Training Program and was licensed as a pilot in 1941. Subsequently, he was transferred to Great Britain, where he flew Spitfires and Hurricanes. During World War II, he fought from July 8, 1942 on in Northern Africa and over Italy. On December 15, 1942, he succeeded to transfer to the USAAF, where he flew Curtiss P-40s and later P-47 Thunderbolts. He returned to the U.S. on December 16, 1944.
Benedict is best known for having flown together with Lt. Col. Joseph O. Fletcher as his co-pilot a U.S. Air Force C-47 modified to have skis and wheels to the North Pole, where they became the first humans to land a plane on May 3, 1952 and (together with scientist Albert P. Crary) the first persons to set foot on the exact geographical North Pole.
Benedict left the USAF in 1962 and later worker as a firefighting pilot in California. He was killed while dropping fire retardant in the Ukiah area of California on August 31, 1974.

Footnotes

Note 1: The original article in the Polar Times stated that Fletcher was the pilot, but in the Fall/Winter 1997 issue of the Polar Times, following a personal communication from Mr. Fletcher, a correction appeared stating that Benedict had been in charge of that flight. This is also confirmed by the interview Brian Shoemaker conducted with Fletcher in 1997 (link below).

## Friday, September 28, 2007

Biography and early years
In Success-N-Life, Tilton regularly taught that all of life's trials, especially poverty, were a result of sin.

Success-N-Life
Even before the ABC News investigation into his ministry, Tilton had controversy in his background. In a deposition video for a lawsuit that was taped August 18, 1992, Tilton admitted to having robbed a fruit stand as a teen and abused marijuana, LSD, and various barbiturates as a young man prior to his conversion to Christianity in 1969.
The decline of Success-N-Life also led to the end of Tilton's 25-year marriage to wife Marte, who had served as the administrative head of the Word of Faith Family Church and World Outreach Center, in 1993.

Scandal
Tilton returned to television in 1994 with a new show called Pastor Tilton, a show with an emphasis on the demon-blasting practices--shouting as loud as possible at demons possessing people suffering from pain and illness--of charismatic pastors Sam and Jane Whaley, whom Tilton credited for "casting out [his] own demons" in 1993.

Transitional ministry
After moving to Fort Lauderdale, Florida in 1996, Tilton returned to the airwaves in 1997 with a new version of Success-N-Life, buying airtime on independent television stations primarily serving inner city areas. Gone were the "demon blasting" sessions; back again were the Word-Faith messages and calls for "vows". In 1998, the program began airing on cable channel BET as part of the two hour late-night umbrella rotation block of religious programming entitled BET Inspiration. As of 2007, Success-N-Life is still a part of BET Inspiration, usually occupying the first hour of the programming block, as well as running on cable religious programming channel The Word Network. The church building was purchased by the city of Farmers Branch in 1999 for use as a future civic center; however, the economy suffered a downturn and the plans were scrapped, and the building was finally demolished in 2003 to make room for a new youth hockey center.
In March 2005, Tilton started a new church in Hallandale, Florida, not far from his home in Miami Beach. The church, originally named Christ The Good Shepherd Worldwide Church, has approximately 200 members as of 2007. On Sunday May 13, 2007, the church moved into a new location at 16601 NW 8th Avenue in Miami, and was officially re-named 'Word of Faith Church' much like his original church in Dallas. The new, larger location was purchased from another church. Tilton also started a church in Las Vegas, Nevada in 2005, also originally named Christ The Good Shepherd Worldwide Church. It has been officially re-named 'Word of Faith Church' also and its resident pastor is Danny Rodriguez. The Las Vegas church holds it services at the Henderson Convention Center.
Tilton has also begun travelling the country again, in what he calls 'The Renewed Robert Tilton Success In Life Miracle Rallies.' According to his assistant pastor in Florida, he plans to broadcast his church services and miracle rallies on TV soon and has approached the Trinity Broadcasting Network (TBN) about this.

Reviving Success 'N' Life
When Tilton returned to television in 1997, he established his ministry's headquarters in Tulsa, Oklahoma, where his lawyer J.C. Joyce's offices were located, and set up a Post Office box as its mailing address. A woman employed by Mail Services, Inc., a Tulsa-area clearinghouse handling mail sent to Tilton's ministry, said that when she worked for Mail Services, Inc. in 2001, prayer requests were still routinely thrown away after donations, pledges, etc. were removed.

Continuing scandal
In 1985, two American men began distributing a video they compiled lampooning Tilton and his ostensible conversations with God. The video exploits Tilton's facial expressions and preaching style. Entitled Pastor Gas, the video featured a medley of footage from Success-N-Life, overdubbed with well-timed sound effects of flatulence. Unofficial VHS copies of the video circulated in the United States through the late 1980s, under such titles as Heaven Only Knows, The Joyful Noise, and The Farting Preacher. After the hosts of The Mark and Brian Show, a radio program in Los Angeles, mentioned the video on the air, the video's authors saw the market potential and began selling official copies of their creation. Similar videos have since been made in more recent times using more recent footage of Tilton and are distributed throughout the internet, all under the Farting Preacher name. The video distribution (including digital bootlegs distributed online) expanded public awareness of Robert Tilton and his controversial "television ministry".
The stand-up comedy material of Ron White also includes mention of Robert Tilton. In the opening to White's act in the first Blue Collar Comedy Tour movie, Ron claims that "while sitting in a beanbag chair naked eating Cheetos," he finds Tilton on TV and believes Tilton is talking specifically to him: "Are you lonely?" "Yeah." "Have you spent half your life in bars pursuing sins of the flesh?" "Man, this guy's good..." "Are you sitting in a beanbag chair naked eating Cheetos?" Ron gapes in horror before squeaking, "...Yes sir!" "Are you going to get up and send me a thousand dollars?" (#pause for effect#) "Close! Thought he was talking about me for a second. Apparently, I ain't the only cat on the block (who) digs Cheetos!"
In the early 2000s, the Trinity Foundation put together a number of news broadcasts, including the initial Primetime Live piece, from the years surrounding the investigations into Tilton's ministry on a DVD entitled The Prophet of Prosperity: Robert Tilton and the Gospel of Greed. The DVD also includes segments from The Daily Show's "God Stuff" (hosted by Trinity Foundation member John Bloom, a.k.a. Joe Bob Briggs), excerpts from the Pastor Gas videos, and a number of mocking music videos, as well as moments from Success-N-Life showing Tilton's more outrageous claims of "visions from God".

Satire

Christian evangelist scandals Bibliography

## Thursday, September 27, 2007

Babylonian mathematics refers to any mathematics of the peoples of Mesopotamia (situated in present day Iraq), from the days of the early Sumerians to the fall of Babylon in 539 BC. In contrast to the sparsity of sources in Egyptian mathematics, our knowledge of Babylonian mathematics is derived from some 400 clay tablets unearthed since the 1850s. Written in Cuneiform script, tablets were inscribed whilst the clay was moist, and baked hard in an oven or by the heat of the sun. The majority of recovered clay tablets date from 1800 to 1600 BC, and cover topics which include fractions, algebra, quadratic and cubic equations, the Pythagorean theorem, and the calculation of Pythagorean triples and possibly trigonometric functions (see Plimpton 322). The Babylonian tablet YBC 7289 gives an approximation to $sqrt{2}$ accurate to nearly six decimal places.

Babylonian numerals
The earliest evidence of written mathematics dates back to the ancient Sumerians, who built the earliest civilization in Mesopotamia. They developed a complex system of metrology from 3000 BC. From 2600 BC onwards, the Sumerians wrote multiplication tables on clay tablets and dealt with geometrical exercises and division problems. The earliest traces of the Babylonian numerals also date back to this period.

Sumerian mathematics (3000-2300 BC)
The Old Babylonian period is the period to which most of the clay tablets on Babylonian mathematics belong, which is why the mathematics of Mesopotamia is commonly known as Babylonian mathematics. Some clay tablets contain mathematical lists and tables, others contain problems and worked solutions.

Old Babylonian mathematics (2000-1600 BC)
The Babylonians made extensive use of pre-calculated tables to assist with arithmetic. For example, two tablets found at Senkerah on the Euphrates in 1854, dating from 2000 BC, give lists of the squares of numbers up to 59 and the cubes of numbers up to 32. The Babylonians used the lists of squares together with the formulas
$ab = frac{(a + b)^2 - a^2 - b^2}{2}$
$ab = frac{(a + b)^2 - (a - b)^2}{4}$
to simplify multiplication.
The Babylonians did not have an algorithm for long division. Instead they based their method on the fact that
$frac{a}{b} = a times frac{1}{b}$
together with a table of reciprocals. Numbers whose only prime factors are 2, 3 or 5 have finite reciprocals in sexagesimal notation, and tables with extensive lists of these reciprocals have been found.
Reciprocals such as 1/7, 1/11, 1/13, etc. do not have finite representations in sexagesimal notation. To compute 1/13 or to divide a number by 13 the Babylonians would use an approximation such as
$frac{1}{13} = frac{7}{91} = 7 times frac {1}{91} approx 7 times frac{1}{90}=7 times frac{40}{3600}.$

Arithmetic
As well as arithmetical calculations, Babylonian mathematicians also developed algebraic methods of solving equations. Once again, these were based on pre-calculated tables.
To solve a quadratic equation the Babylonians essentially used the standard quadratic formula. They considered quadratic equations of the form
$x^2 + bx = c$
where here b and c were not necessarily integers, but c was always positive. They knew that a solution to this form of equation is
$x = - frac{b}{2} + sqrt{ left ( frac{b}{2} right )^2 + c}$
and they would use their tables of squares in reverse to find square roots. They always used the positive root because this made sense when solving "real" problems. Problems of this type included finding the dimensions of a rectangle given its area and the amount by which the length exceeds the width.
Tables of values of n table to find the value closest to the right hand side. The Babylonians accomplished this without algebraic notation, showing a remarkable depth of understanding. However, they did not have a method for solving the general cubic equation.

Algebra
The Babylonians may have known the general rules for measuring areas and volumes. They measured the circumference of a circle as three times the diameter and the area as one-twelfth the square of the circumference, which would be correct if π is estimated as 3. The volume of a cylinder was taken as the product of the base and the height, however, the volume of the frustum of a cone or a square pyramid was incorrectly taken as the product of the height and half the sum of the bases. The Pythagorean theorem was also known to the Babylonians. Also, there was a recent discovery in which a tablet used π as 3 and 1/8. The Babylonians are also known for the Babylonian mile, which was a measure of distance equal to about seven miles today. This measurement for distances eventually was converted to a time-mile used for measuring the travel of the Sun, therefore, representing time.

Geometry
There is also evidence that the Babylonians first used trigonometric functions, based on a table of numbers written on the Babylonian cuneiform tablet, Plimpton 322 (circa 1900 BC), which can be interpreted as a table of secants.

Trigonometry

Main article: Plimpton 322 Plimpton 322
Further information: Babylonian astronomy
The Neo-Babylonian Empire flourished during the Chaldean period of Mesopotamia, which marked the second flowering of Babylon as a capital city and center of study. This period provides the second source of Babylonian mathematics, though somewhat more vague than the Old Babylonian mathematics.
Since the rediscovery of the Babylonian civilization, it has become apparent that Greek and Hellenistic mathematicians and astronomers, and in particular Hipparchus, borrowed a lot from the Chaldeans.
Franz Xaver Kugler demonstrated in his book Die Babylonische Mondrechnung ("The Babylonian lunar computation", Freiburg im Breisgau, 1900) the following: Ptolemy had stated in his Almagest IV.2 that Hipparchus improved the values for the Moon's periods known to him from "even more ancient astronomers" by comparing eclipse observations made earlier by "the Chaldeans", and by himself. However Kugler found that the periods that Ptolemy attributes to Hipparchus had already been used in Babylonian ephemerides, specifically the collection of texts nowadays called "System B" (sometimes attributed to Kidinnu). Apparently Hipparchus only confirmed the validity of the periods he learned from the Chaldeans by his newer observations.
It is clear that Hipparchus (and Ptolemy after him) had an essentially complete list of eclipse observations covering many centuries. Most likely these had been compiled from the "diary" tablets: these are clay tablets recording all relevant observations that the Chaldeans routinely made. Preserved examples date from 652 BC to AD 130, but probably the records went back as far as the reign of the Babylonian king Nabonassar: Ptolemy starts his chronology with the first day in the Egyptian calendar of the first year of Nabonassar, i.e., 26 February 747 BC.
This raw material by itself must have been hard to use, and no doubt the Chaldeans themselves compiled extracts of e.g., all observed eclipses (some tablets with a list of all eclipses in a period of time covering a saros have been found). This allowed them to recognise periodic recurrences of events. Among others they used in System B (cf. Almagest IV.2):
The Babylonians expressed all periods in synodic months, probably because they used a lunisolar calendar. Various relations with yearly phenomena led to different values for the length of the year.
Similarly various relations between the periods of the planets were known. The relations that Ptolemy attributes to Hipparchus in Almagest IX.3 had all already been used in predictions found on Babylonian clay tablets.
All this knowledge was transferred to the Greeks probably shortly after the conquest by Alexander the Great (331 BC). According to the late classical philosopher Simplicius (early 6th century AD), Alexander ordered the translation of the historical astronomical records under supervision of his chronicler Callisthenes of Olynthus, who sent it to his uncle Aristotle. It is worth mentioning here that although Simplicius is a very late source, his account may be reliable. He spent some time in exile at the Sassanid (Persian) court, and may have accessed sources otherwise lost in the West. It is striking that he mentions the title tèresis (Greek: guard) which is an odd name for a historical work, but is in fact an adequate translation of the Babylonian title massartu meaning "guarding" but also "observing". Anyway, Aristotle's pupil Callippus of Cyzicus introduced his 76-year cycle, which improved upon the 19-year Metonic cycle, about that time. He had the first year of his first cycle start at the summer solstice of 28 June 330 BC (Julian proleptic date), but later he seems to have counted lunar months from the first month after Alexander's decisive battle at Gaugamela in fall 331 BC. So Callippus may have obtained his data from Babylonian sources and his calendar may have been anticipated by Kidinnu. Also it is known that the Babylonian priest known as Berossus wrote around 281 BC a book in Greek on the (rather mythological) history of Babylonia, the Babyloniaca, for the new ruler Antiochus I; it is said that later he founded a school of astrology on the Greek island of Kos. Another candidate for teaching the Greeks about Babylonian astronomy/astrology was Sudines who was at the court of Attalus I Soter late in the 3rd century BC.
In any case, the translation of the astronomical records required profound knowledge of the cuneiform script, the language, and the procedures, so it seems likely that it was done by some unidentified Chaldeans. Now, the Babylonians dated their observations in their lunisolar calendar, in which months and years have varying lengths (29 or 30 days; 12 or 13 months respectively). At the time they did not use a regular calendar (such as based on the Metonic cycle like they did later), but started a new month based on observations of the New Moon. This made it very tedious to compute the time interval between events.
What Hipparchus may have done is transform these records to the Egyptian calendar, which uses a fixed year of always 365 days (consisting of 12 months of 30 days and 5 extra days): this makes computing time intervals much easier. Ptolemy dated all observations in this calendar. He also writes that "All that he (=Hipparchus) did was to make a compilation of the planetary observations arranged in a more useful way" (Almagest IX.2). Pliny states (Naturalis Historia II.IX(53)) on eclipse predictions: "After their time (=Thales) the courses of both stars (=Sun and Moon) for 600 years were prophesied by Hipparchus, …". This seems to imply that Hipparchus predicted eclipses for a period of 600 years, but considering the enormous amount of computation required, this is very unlikely. Rather, Hipparchus would have made a list of all eclipses from Nabonasser's time to his own.
Other traces of Babylonian practice in Hipparchus' work are:

223 (synodic) months = 239 returns in anomaly (anomalistic month) = 242 returns in latitude (draconic month). This is now known as the saros period which is very useful for predicting eclipses.
251 (synodic) months = 269 returns in anomaly
5458 (synodic) months = 5923 returns in latitude
1 synodic month = 29;31:50:08:20 days (sexagesimal; 29.53059413… days in decimals = 29 days 12 hours 44 min 3⅓ s)
first Greek known to divide the circle in 360 degrees of 60 arc minutes.
first consistent use of the sexagesimal number system.
the use of the unit pechus ("cubit") of about 2° or 2½°.
use of a short period of 248 days = 9 anomalistic months. Neo-Babylonian mathematics (626-539 BC)

Main articles: Greek mathematics and Diophantus Babylonian mathematics in Alexandria

Main article: Islamic mathematics

## Wednesday, September 26, 2007

Hip hop music is a style of popular music. It is usually composed of two elements: rapping (also known as emceeing) and DJing. When combined with breakdancing and graffiti art, these are the four components of hip hop, a cultural movement which began in New York City in the 1970s, predominantly by African Americans and Latinos.

The reasons for the rise of hip hop are found is the changing urban culture within the United States during the 1970's. Perhaps most important was the low cost involved in getting started: the equipment was relatively inexpensive, and virtually anyone could MC along with the popular beats of the day. MCs could be creative, pairing nonsense rhymes and teasing friends and enemies alike in the style of Jamaican toasting at blues parties or playing the dozens in an exchange of wit. MCs would play at block parties, with no expectation of recording, in the way of folk music. The skills necessary to create hip hop music were passed informally from musician to musician, rather than being taught in expensive music lessons.
Another reason for hip hop's rise was the decline of disco, funk and rock in the mid- to late 70s. Disco arose among black and gay male clubs in America, and quickly spread to Europe, where it grew increasingly sunny, bright and pop. Once disco broke into the mainstream in the United States, and was thus appropriated, its original fans and many other listeners rejected it as pre-packaged and soul-less. While many remember the white teens shouting "disco sucks" at every available opportunity, often in racist and homophobic contexts, inner-city blacks were similarly rejecting disco and disco-fied rock, soul and funk (which was virtually everything on the radio at the time). If disco had anything redeemable for urban audiences, however, it was the strong, eminently danceable beats, and hip hop rose to take advantage of the beats while providing a musical outlet for the masses that hated disco. Disco-inflected music (though comparatively little actual disco) was one of the most popular sources of beats in the first ten or twelve years of hip hop's existence. In Washington DC, go go also emerged as a reaction against disco, and eventually mixed with hip hop during the early 1980s, while electronic music did the same, developing as house music in Chicago and techno music in Detroit.
Along with the low expense and the demise of other forms of popular music, social and political events further accelerated the rise of hip hop. In 1959, the Cross-Bronx Expressway was built through the heart of the Bronx, displacing many of the middle-class white communities and causing widespread unemployment among the remaining blacks as stores and factories fled the area. By the 1970s, poverty was rampant. When a 15,000+ apartment Co-op City was built at the northern edge of the Bronx in 1968, the last of the middle-class fled the area and the area's black and Latino gangs began to grow in power.

In the mid-1970s, hip hop split into two factions. One sampled disco and focused on getting the crowd dancing and excited, with simple or no rhymes; these DJs included Pete DJ Jones, Eddie Cheeba, DJ Hollywood and Love Bug Starski. On the other hand, another group were focusing on rapid-fire rhymes and a more complex rhythmic scheme. These included Afrika Bambaataa, Paul Winley, Grandmaster Flash and Bobby Robinson.
As the 70s became the 1980s, many felt that hip hop was a novelty fad that would soon die out. This was to become a constant accusation for at least the next fifteen years. Some of the earliest rappers were novelty acts, using the themes to Gilligan's Island and using sweet doo wop-influenced harmonies.
With the advent of recorded hip hop in the late 1970s, all the major elements and techniques of the genre were in place. Though not yet mainstream, it was well-known among African Americans, even outside of New York City; hip hop could be found in cities as diverse as Los Angeles, Washington, DC, Baltimore, Dallas, Kansas City, Miami, Seattle, St. Louis, New Orleans, and Houston.
Philadelphia was, for many years, the only city whose contributions to hip hop were valued as greatly as New York City's by hip hop purists and critics. Hip hop was popular there at least as far back as 1976 (first record: "Rhythm Talk", by Jocko Henderson in 1979), and the New York Times dubbed Philly the "Graffiti Capital of the World" in 1971, due to the influence of such legendary graffiti artists as Cornbread. The first female solo artist to record hip hop was Lady B. ("To the Beat Y'All", 1980), a Philly-area radio DJ. Later Schoolly D helped invent what became known as gangsta rap.

The 1980s saw intense diversification in hip hop, which developed into a more complex form. The simple tales of 1970s emcees were replaced by highly metaphoric lyrics rapping over complex, multi-layered beats. Some rappers even became mainstream pop performers, including Kurtis Blow, whose appearance in a Sprite commercial made him the first hip hop musician to be considered mainstream enough to represent a major product, but also the first to be accused by the hip-hop audience of selling out. Another popular performer among mainstream audiences was LL Cool J, who was a success from the release of his first LP, Radio.
Hip hop was almost entirely unknown outside of the United States prior to the 1980s. During that decade, it began its spread to every inhabited continent and became a part of the music scene in dozens of countries. In the early part of the decade, breakdancing became the first aspect of hip hop culture to reach Germany, Japan and South Africa, where the crew Black Noise established the practice before beginning to rap later in the decade. Meanwhile, recorded hip hop was released in France (Dee Nasty's 1984 Paname City Rappin') and the Philippines (Dyords Javier's "Na Onseng Delight" and Vincent Dafalong's "Nunal"). In Puerto Rico, Vico C became the first Spanish language rapper, and his recorded work was the beginning of what became known as reggaeton.

The first rap records (Fatback Band's King Tim III, Grandmaster Flash's "Super Rappin'" and The Sugarhill Gang's Rapper's Delight) were actually recorded by live musicians in the studio, with the rappers adding their vocals later. This changed with DJ records such as Grandmaster Flash's "Adventures on the Wheels of Steel" (known for pioneering use of scratching, which was invented by Grandwizard Theodore in 1977) as well as electronic recordings such as "Planet Rock" by Afrika Bambaataa and Run DMC's very basic, all electronic "Sucker MC's" and "Peter Piper" which contains genuine cutting by Run DMC member Jam Master Jay. These early innovators were based out of New York City, which remained the capital of hip hop during the 1980s. This style became known as East Coast hip hop.
Grandmaster Flash & the Furious Five released a "message rap", called "The Message", in 1982; this was one of the earliest examples of recorded hip hop with a socially aware tone. In 1984, Marley Marl accidentally caught a drum machine snare hit in the sampler; this innovation was vital in the development of electro and other later types of hip hop.

The mid-1980s saw a flourishing of the first hip hop artists to achieve mainstream success, such as Kurtis Blow (Kurtis Blow), LL Cool J (Radio) and especially Run-D.M.C. (Raising Hell), as well as influences in mainstream music, such as Blondie's Debbie Harry rapping in the first non-black hit to feature rapping, "Rapture". LL Cool J's Radio spawned a number of singles that entered the dance charts, peaking with "I Can Give You More" (#21). 1986 saw two hip hop acts in the Billboard Top Ten; Run-D.M.C.'s "Walk This Way" collaboration with Aerosmith, and the Beastie Boys "(You Gotta) Fight for Your Right (To Party!)". The pop success of both singles was unheard of for the time; "Walk This Way" has proved especially memorable for its early mixture of hip hop and rock (though it was not the first such mixture), and it peaked at an unheard of #4 on the pop charts. Also, the mid-1980s saw the rise of the first major black female group, Salt-N-Pepa, who hit the charts with singles like "The Show Stoppa" in 1985. Ice-T's seminal "6n' Da Mornin'" (1986) is one of the first nationally successful West Coast hip hop singles, and is often said to be the beginning of gangsta hip hop (along with Schoolly D, LL Cool J and N.W.A.).
In 1987, Public Enemy brought out their debut album (Yo! Bum Rush the Show) on Def Jam - one of hip hop's oldest and most important labels, and Boogie Down Productions followed up in 1988 with By All Means Necessary; both records pioneered wave of hard-edged politicized performers. The late 1980s saw a flourishing of like-minded rappers on both coasts, and Public Enemy's It Takes a Nation of Millions to Hold Us Back became surprisingly successful, despite its militant and confrontational tone, appearing on both the club and rap charts, and peaking at #17 and #11, respectively. Aside from the lyrical innovations, Public Enemy's Terminator X (along with Eric B., of Eric B. & Rakim) pioneered new techniques in sampling that resulted in dense, multi-layered sonic collages.

Main article: Gangsta rap The first gangsta rap album to become a mainstream pop hit, selling more than 2.5 million copies, was N.W.A.'s Straight Outta Compton (1988). N.W.A.'s controversial subject matter, including drugs, violence and sex, helped popularize what became known as gangsta rap (said to have begun with Ice-T's "6N' Da Morning"). Specifically, the song "Fuck Tha Police" earned the foursome the enmity of law enforcement, resulting in a strongly-worded letter of discontent from the FBI. N.W.A.'s most lasting impact, however, was placing the West Coast on the hip hop map.

Though women, whites and Latinos had long been a part of the hip hop scene, it was not until the 1980s that groups other than young African American males began creating popular, innovative and distinctive styles of hip hop music.
The first rap recording by a solo female was Philadelphia-based Lady B.'s "To the Beat, Y'All" (1980), while The Sequence became the first female group to record. It was, not, however, until Salt-N-Pepa in the middle of the decade that female performers gained mainstream success.
The first groups to mix hip hop and heavy metal included 1984's "Rock Box" (Run-D.M.C.) and "Rock Hard" (Beastie Boys). Later in the decade, Ice-T and Anthrax were among the most innovative mixers of thrash metal and hip hop. These fusions helped move hip hop into new audiences, and introduced it to legions of new fans in the States and abroad.

Main article: Latin hip hop Hip hop had always had a significant connection to the Latino community in New York City, and hip hop soon spread among Latinos. The first Latino DJ was DJ Disco Wiz. The Mean Machine's "Disco Dreams", with lyrics in both English and Spanish is widely considered the first Latino hip hop recording, though Los Angeles-based Kid Frost is usually thought of as the first major Latino artist. Performers like Cypress Hill ("Insane in the Membrane"), Gerardo ("Rico Suave") and Mellow Man Ace ("Mentirosa") later popularized Latino hip hop in the United States. In Latin America, countries like Puerto Rico, Cuba, Brazil and Mexico created their own popular scenes. Beginning in the mid-80s and early 90s, two of the most popular styles of Latin hip hop were reggaeton, a Puerto Rican and Panamanian mixture of ragga, reggae and hip hop, and Dominican merenrap, a fusion of merengue and hip hop.

Main article: Electro
While Run DMC laid the groundwork for East Coast rap, "Planet Rock" (Afrika Bambaataa) was one of the first electro tracks. Based on a sample from German rock group Kraftwerk (Trans-Europe Express), "Planet Rock" inspired countless groups, based in New Jersey, New York City and Detroit, among other places, to make electronic dance music (called electro) that strongly influenced techno and house music, and especially the burgeoning electro music scene in northern England, the Midlands and London.
"Planet Rock" influenced hip hop outside of New York as well, such as Latin hip hop (also Latin freestyle or freestyle) such as Expose and The Cover Girls, as well as Los Angeles-based electro hop performers like the World Class Wreckin' Cru and Egyptian Lover.

By the end of the 1970s, hip hop was known in most every major city in the country, and had developed into numerous regional styles and variations. Outside of New York City, New Jersey and Philadelphia, where hip hop had long been well-established, the 1980s saw intense regional diversification.
The first Chicago hip hop record was the "Groovy Ghost Show" by Casper, released in 1980 and a distinctively Chicago sound began by 1982, with Caution and Plee Fresh. Chicago also saw the development of house music (a form of electronic dance music) in the early 1980s and this soon mixed with hip hop and began featuring rappers; this is called hip house, and gained some national popularity in the late 1980s and early 90s, though similar fusions from South Africa, Belgium and elsewhere became just as well-known into the 90s.
Los Angeles hardcore rappers (Ice-T) and electro hop artists (Egyptian Lover) began recording by 1983, though the first recorded West Coast rap was Disco Daddy and Captain Rapp's "Gigolo Rapp" in 1981. In Miami, audiences listened to Miami bass, a form of sultry and sexually explicit dance music which arose from Los Angeles electro; it frequently included rapping. In Washington D.C. a hip hop-influenced form of dance music called go go emerged and incorporated rapping and DJing.

Beginning in the early 1980s, hip hop culture began its spread across the world. By the end of the 1990s, popular hip hop was sold almost everywhere, and native performers were recording in most every country with a popular music industry. Elements of hip hop became fused with numerous styles of music, including ragga, cumbia and samba, for example. The Senegalese mbalax rhythm became a component of hip hop, while the United Kingdom and Belgium produced a variety of electronic music fusions of hip hop, most famously including British trip hop. Hip hop also spread to countries like Greece, Spain and Cuba in the 1980s, led in Cuba by the self-exiled African American activist Nehanda Abiodun and aided by Fidel Castro's government. In Japan, graffiti art and breakdancing had been popular since the early part of the decade, but many of those active in the scene felt that the Japanese language was unsuited for rapping; nevertheless, by the beginning of the 1990s, a wave of rappers emerged, including Ito Seiko, Chikado Haruo, Tinnie Punx and Takagi Kan. The New Zealand hip hop scene began in earnest in the late 1980s, when Maori performers like Upper Hutt Posse and Dalvanius Prime began recording, gaining notoriety for lyrics that espoused tino rangatiratanga (Maori sovereignty).

In the 90s, gangsta rap became mainstream, beginning in about 1992, with the release of Dr. Dre's The Chronic. This album established a style called G Funk, which soon came to dominate West Coast hip hop. Later in the decade, record labels based out of Atlanta, St. Louis and New Orleans gained fame for their local scenes. By the end of the decade, especially with the success of Eminem, hip hop was an integral part of popular music, and nearly all American pop songs had a major hip hop component.
In the 90s and into the following decade, elements of hip hop continued to be assimilated into other genres of popular music; nu soul, for example, combined hip hop and soul music and produced some major stars in the middle of the decade, while in the Dominican Republic, a recording by Santi Y Sus Duendes and Lisa M became the first single of merenrap, a fusion of hip hop and merengue.
In Europe, Africa and Asia, hip hop began to move from an underground phenomenon to reach mainstream audiences. In South Africa, Germany, France, Italy and many other countries, hip hop stars rose to prominence and gradually began to incorporate influences from their own country, resulting in fusions like Tanzanian Bongo Flava.

Main article: West Coast hip hop After N.W.A. broke up, Dr. Dre (a former member) released The Chronic (1992), which peaked at #1 on the R&B/hip hop chart and #3 on the pop chart and spawned a #2 pop single in "Nothin' But a 'G' Thang".. The Chronic took West Coast rap in a new direction, influenced strongly by P funk artists, melding the psychedelic funky beats with slowly drawled lyrics—this came to be known as G funk, and dominated mainstream hip hop for several years through a roster of artists on Death Row Records, including most popularly, Snoop Doggy Dogg, whose Doggystyle included "What's My Name" and "Gin and Juice", both Top Ten pop hits.
Though West Coast artists eclipsed New York, some East Coast rappers achieved success. New York became dominated in terms of sales by Puff Daddy (No Way Out), Mase (Harlem World) and other Bad Boy Records artists, in spite of often scathing criticism for a perceived over-reliance on sampling and a general watered-down sound, aimed directly for pop markets. Other New York based artists continued with a harder edged sound, achieving only limited popular success. Nas (Illmatic), Busta Rhymes (The Coming) and The Wu-Tang Clan (Enter the Wu-Tang (36 Chambers)), for example, received excellent reviews but generally mediocre or sporadic sales.
The sales rivalry between the East Coast and the West Coast eventually turned into a personal rivalry, aided in part by the music media. Many reporters were not aware that MC battles were an integral part of hip hop since its inception, and that, generally, little was meant by open taunts on albums and in performances. Nevertheless, the East Coast-West Coast rivalry grew, eventually resulting in the still unsolved deaths of Tupac Shakur and Notorious B.I.G..

In the wake of declining sales following the deaths of both superstar artists, the sounds of hip hop were greatly diversified. Most important was the rise of Southern rap, starting with OutKast (ATLiens) and Goodie Mob (Soul Food), based out of Atlanta. Later, Master P (Ghetto D) built up an impressive roster of popular artists (the No Limit posse) based out of New Orleans and incorporating G funk and Miami bass influences, and distinctive regional sounds from St. Louis, Chicago, Washington D.C., Detroit (ghettotech) and others began to gain some popularity. Also in the 1990s, rapcore (a fusion of hip hop and heavy metal) became popular among mainstream audiences. Rage Against the Machine, Linkin Park and Limp Bizkit were among the most popular rapcore bands.
Though Caucasian rappers like the Beastie Boys (Paul's Boutique), Vanilla Ice (To the Extreme) and 3rd Bass (The Cactus Album) had had some popular success and/or critical acceptance from the hip hop community, Detroit-native Eminem's success, beginning in 1999 with the triple platinum The Slim Shady LP, came as a surprise to many. Like most successful hip hop artists of the time, Eminem came to be criticized for alleged glorification of violence, misogyny, and drug abuse, as well as homophobia and albums laced with constant profanity.
In South Africa, pioneering crew Black Noise began rapping in 1989, provoking a ban by the apartheid-era government, which lasted until 1993. Later, the country produced its own distinctive style in the house fusion kwela. Elsewhere in Africa, Senegalese mbalax fusions continued to grow in popularity, while Tanzanian Bongo Flava crews like X-Plastaz combined hip hop with taarab, filmi and other styles.
In Europe, hip hop was the domain of both ethnic nationals and immigrants. Germany, for example, produced the well-known Die Fantastischen Vier as well as several Turkish performers like the controversial Cartel. Similarly, France has produced a number of native-born stars, such as IAM and the Breton crew Manau, though the most famous French rapper is probably the Senegalese-born MC Solaar. The Netherlands' most famous rappers are The Osdorp Posse, an all-white crew from Amsterdam, and The Postmen, from Cape Verde and Suriname. Italy found its own rappers, including Jovanotti and Articolo 31, grow nationally renowned, while the Polish scene began in earnest early in the decade with the rise of PM Cool Lee. In Romania, B.U.G. Mafia came out of Bucharest's Pantelimon neighborhood, and their brand of gangsta rap underlines the parallels between life in Romania's Communist-era apartment blocks and in the housing projects of America's ghettos. Israel's hip hop grew greatly in popularity at the end of the decade, with several stars emerging from both sides of the Palestinian (Tamer Nafer) and Jewish (Subliminal) divide; though some, like Mook E., preached peace and tolerance, others expressed nationalist and violent sentiments.
In Asia, mainstream stars rose to prominence in the Philippines, led by Michael V., Rap Asia, MC Lara and Lady Diane, and in Japan, where underground rappers had previously found a limited audience, and popular teen idols brought a style called J-rap to the top of the charts in the middle of the 90s.
Latinos had played an integral role in the early development of hip hop, and the style had spread to parts of Latin America, such as Cuba, early in its history. In Mexico, popular hip hop began with the success of Calo in the early 90s. Later in the decade, with Latin rap groups like Cypress Hill on the American charts, Mexican rap rock groups, such as Control Machete, rose to prominence in their native land. An annual Cuban hip hop concert held at Alamar in Havana helped to popularize Cuban hip hop, beginning in 1995. Hip hop grew steadily more popular in Cuba, due to official governmental support for musicians.

Main article: Alternative hip hop Though mainstream acceptance has been almost entirely limited to gangsta rap, isolated alternative rap artists, with a socially aware and positive or optimistic tone, have achieved some success. In 1988 and 1989, albums like De La Soul's Three Feet High and Rising, Gang Starr's No More Mr. Nice Guy and the Jungle Brothers' Straight Out the Jungle are usually considered the first albums in this genre, with jazz-based samples and intelligent lyrics (see jazz rap) strongly influenced by the Afrocentric messages of Bambaataa's Zulu Nation collective. Later alternative artists, many of whom were members of the Native Tongues Posse, including Tribe Called Quest (The Low End Theory), Mos Def (Black on Both Sides) and The Roots (Things Fall Apart), also achieved some mainstream success, though the influence of jazz grew less pronounced (with some exceptions, most notably Guru's Jazzmatazz project). Jazz rap went on to influence the development of trip hop in the United Kingdom, which fused hip hop, jazz and electronic music; it is said to have been started by Massive Attack's Blue Lines (1991).

In the year 2000, The Marshall Mathers LP by Eminem sold over nine million copies in the United States, and Nelly's debut LP, Country Grammar, sold over six million copies. In the next several years, a wave of increasingly pop-oriented R&B crossover acts, like Ja Rule and Destiny's Child, dominated American popular music. It was not until the sudden breakthrough success of the hard-edged 50 Cent that hardcore hip hop returned to the pop charts. The United States also saw the rise of alternative hip hop in the form of moderately popular performers like The Roots, Dilated Peoples and Mos Def, who achieved unheard-of success for their field.
Some countries, like Tanzania, maintained popular acts of their own in the early 2000s, though many others produced few homegrown stars, instead following American trends. Scandinavian, especially Danish and Swedish, performers became well known outside of their country, while hip hop continued its spread into new lands, including Russia, Egypt and China.

Hip hop music is a part of hip hop, a cultural movement that includes the activities of breakdancing and graffiti art, as well as associated slang, fashion and other elements. The popularity of music has helped to popularize hip hop culture, both in the United States and, to a lesser degree, abroad.
Hip hop fashion includes the wearing of baggy jeans, slung low around the waist, gold or platinum chains and boots; these elements are more typical of men than women. In addition, there are and have been more transitory fads associated with hip hop, such as rolling up one leg of one's pants, jogging suits and sweatshirts. Though hip hop fashion was associated almost exclusively with African Americans in urban areas in the 1970s and 80s, it has since spread to mainstream listeners throughout the world.
Especially since the turn of the century, many hip hop songs have focused on the "bling bling" cliche, which is a focus on expensive jewelry, cars and clothing. Though some rappers, mostly or entirely gangsta rappers, unapologetically pursue and celebrate bling bling, others, many in the field of alternative hip hop, have expressly criticized the idealized pursuit of bling bling as materialistic.
Hip hop slang includes words like yo, flow and phat. There are also words like homie which predate hip hop but are often associated with it because of the close connection between recorded hip hop and the dialect used by many performers, African American Vernacular English. Sometimes, terms like what the dilly, yo are popularized by a single song (in this case, "What the Dilly, Yo" by Busta Rhymes) and are only used briefly. Of special importance is the rule-based slang of Snoop Dogg, who adds -izz to the middle of words so that shit becomes shizznit (the addition of the n occurs occasionally as well). This practice, with origins in Frankie Smith's non-sensical language from his 1982 single "Double Dutch Bus," has spread to even non-hip hop fans, who may be unaware of its derivation.

Aside from hip hop's great popularity, the genre has had an impact on most varieties of popular music. There are performers that combine either hip hop beats or rapping with rock and roll, heavy metal, punk rock, merengue, salsa, cumbia, funk, jazz, house, taarab, reggae, highlife, mbalax and soul. Teen pop singers and boy bands like the Backstreet Boys, NSYNC, Christina Aguilera and Britney Spears utilize hip hop beats in many of their most popular singles.
Hip hop has had an especially close relationship with soul music since the early 1990s. Indeed, today there is little recorded soul that does not feature some element of hip hop. This fusion, called nu soul, can be traced back to the late 1980s New Jack Swing groups, though it did not reach its modern form until the rise of performers like Mary J. Blige. In the late 1990s and early 2000s, the hip hop influence grew more prominent in singers like D'Angelo, Lauryn Hill, Jill Scott and Alicia Keys.
Various fusions with rock and derivatives (i.e. heavy metal and punk) have been growing in popularity since the early 80s. At the time, popular acts like Run-D.M.C. used both hard rock and hip hop, especially in their genre-crossing, unprecedented smash hit "Walk This Way", performed with Aerosmith. Other performers, like Ice-T and his band Body Count used hip hop, punk rock and metal, though the first bands to combine metal with hip hop are said to be Anthrax and Pantera. By the end of the 90s, metal/hip hop grew both more popular and more derided by fans of both genres, with the rise of bands like Linkin Park and Limp Bizkit, who were called nu metal.
In Latin America, rapping was already known in the 1980s, in the form of toasting, a part of Jamaican ragga music. Rapped lyrics were already a part of soca music, for example. The growth of hip hop in the area, however, led to more pronounced fusions like reggaeton and timba. Similarly, in Africa, rapping-like vocals (such as Senegalese tassou) were already a part of popular music, and hip hop was easily adapted to popular styles like taarab and mbalax.

Hip hop has probably encountered more problems with censorship than any other form of popular music in recent years, due to the use of sexually and violently explicit lyrics. The pervasive use of curse words in many songs has created challenges in the broadcast of such material both on television stations such as MTV, in music video form, and on radio. As a result, many hip hop recordings are broadcast in censored form, with offending language blanked out of the soundtrack (though usually leaving the backing music intact). The result – which quite often renders the remaining lyrics unintelligible – has become almost as widely identified with the genre as any other aspect of the music, and has been parodied in films such as Austin Powers: The Spy Who Shagged Me, in which a character – performing in a parody of a rap music video – performs an entire verse that is blanked out.

Hip hop has hundreds of major international magazines devoted to it, most famously including The Source and Vibe. In its early years, BET was almost the only television channel likely to play any hip hop music; now, several mainstream channels such as VH1 and MTV may play more hip hop music than any other style. Many individual cities have produced their own local hip hop newsletters, while hip hop magazines with national distribution are found in a few other countries.

Culture: Breakdance - Graffiti - Fashion - Dance
People: Rappers - DJs and Producers - Groups - Beatboxers
History: Roots - Old School - Golden Age - New School - 2007 in hip hop
Genres: Abstract - Alternative - Bounce - Chopped & Screwed - Christian - Conscious - Country - Crunk - Dirty - Dirty South - Electro - Emo - Freestyle - Gangsta - G-funk - Ghettotech - Glitch hop - Hardcore - Hip hop soul - Hip house - Horrorcore - Hyphy - Instrumental - Jazz - Latin - Mafioso - Merenrap - Miami bass - Mobb - Neo soul - Nerdcore - New jack swing - Political - Pop - Rapcore - Ragga - Reggaetón - Snap - Urban Pasifika
World hip hop: African - Arabic - Asian - European - Latin American - Middle Eastern - Albanian - Algerian - American - Angolan - Australian - Azerbaijani - Bahraini - Belgian - Bosnian and Herzegovinan - Botswana - Brazilian - British - Bulgarian - Canadian - Cape Verdean - Chinese (Hong Kong) - Congolese - Cuban - Czech - Danish - Dominican - Dutch - Egyptian - Filipino - Finnish - French - Gambian - German - Ghanaian - Greek - Greenlandic - Guinean - Hungarian - Icelandic - Indian - Indonesian - Iranian - Irish - Israeli - Italian - Ivoirian - Japanese - Kenyan - Korean - Macedonian - Malagasy - Malaysian - Malian - Mexican - Moroccan - Native American - Nepalese - New Zealand - Nigerian - Norwegian - Polish - Portuguese - Romanian - Russian - Rwandan - Salvadoran - Senegalese - Serbian - Slovak - Slovenian - South African - Spanish - Swedish - Swiss - Taiwanese - Tanzanian - Togolese - Turkish - Ugandan - Ukrainian - Zimbabwean
The Vibe History of Hip Hop. 1999. Vibe magazine. ISBN 0609805037
Hip Hop America. Nelson, George. Penguin Book. 2000. ISBN 0140280227
David Toop (1984/1991). Rap Attack II: African Rap To Global Hip Hop. New York. New York: Serpent's Tail. ISBN 1852422432.
McLeod, Kembrew. Interview with Chuck D and Hank Shocklee. 2002. Stay Free Magazine.
Yes Yes Y'All: Oral History of Hip Hop's First Decade. Fricke, Jim and Charlie Ahearn (eds). Experience Music Project. Perseus Books Group. ISBN 0306811847
Corvino, Daniel and Shawn Livernoche. A Brief History of Rhyme and Bass: Growing Up With Hip Hop. Lightning Source Inc. ISBN 1401028519
Chang, Jeff. "Can't Stop, Won't Stop".
Rose, Tricia (1994). "Black Noise". Middletown, Connecticut: Wesleyan University Press. ISBN 0-8195-6275-0
Light, Alan (ed). (1999). The VIBE History of Hip-Hop. New York: Three Rivers Press. ISBN 0-609-80503-7
George, Nelson (2000, rev. 2005). Hip-Hop America. New York: Penguin Books. ISBN 0-14-028022-7
Toop, David (1984, rev. 1991). Rap Attack II: African Rap To Global Hip Hop. New York. New York: Serpent's Tail. ISBN 1-85242-243-2 .
Fricke, Jim and Ahearn, Charlie (eds). (2002). Yes Yes Y'All: The Experience Music Project Oral History of Hip Hop's First Decade. New York: Da Capo Press. ISBN 0-306-81184-7
Corvino, Daniel and Livernoche, Shawn (2000). A Brief History of Rhyme and Bass: Growing Up With Hip Hop. Tinicum, PA: Xlibris Corporation/The Lightning Source, Inc. ISBN 1-4010-2851-9
Kitwana, Bakar (2004). The State of Hip-Hop Generation: how hip-hop's culture movement is evolving into political power. Retrieved December 4, 2006. From Ohio Link Database
"In the Heart of Freedom, In Chains": 2007 City Journal article on Hip Hop and Black America
Olivo, W. (March 2001). "Phat Lines: Spelling Conventions in Rap Music". Written Language & Literacy 4 (1): 67–85.
McLeod, Kembrew. Interview with Chuck D and Hank Shocklee. 2002. Stay Free Magazine, issue 20. Retrieved from http://www.stayfreemagazine.org/archives/20/public_enemy.html on July 9, 2006.