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Turntablism technique

Scratching, sometimes referred to as scrubbing, is a DJ and turntablist technique of moving a vinyl record back and forth on a turntable to produce percussive or rhythmic sounds. A crossfader on a DJ mixer may be used to fade between two records simultaneously. While scratching is most associated with hip hop music, where it emerged in the mid 1970s, from the 1990s it has been used in some styles of edm like techno, trip hop, and house music and rock music such as rap rock, rap metal, rapcore, and nu metal. In hip hop culture, scratching is one of the measures of a DJ's skills. DJs compete in scratching competitions at the DMC World DJ Championships and IDA (International DJ Association), formerly known as ITF (International Turntablist Federation). At scratching competitions, DJs can use only scratch oriented gear (turntables, DJ mixer, digital vinyl systems or vinyl records only). In recorded hip hop songs, scratched "hooks" often use portions of other songs. Other music genres such as jazz, pop, and rock have also incorporated scratching.

A rudimentary form of turntable manipulation that is related to scratching was developed in the late 1940s by radio music program hosts, disc jockeys (DJs), or the radio program producers who did their own technical operation as audio console operators. It was known as back cueing, and was used to find the very beginning of the start of a song (i. e., the cue point) on a vinyl record groove. This was done to permit the operator to back the disc up (rotate the record or the turntable platter itself counter clockwise) in order to permit the turntable to be switched on, and come up to full speed without ruining the first few bars of music with the "wow" of incorrect, unnaturally slow speed playing. This permitted the announcer to time their remarks, and start the turntable in time for when they wanted the music on the record to begin. Back cueing was a basic skill that all radio production staff needed to learn, and the dynamics of it were unique to the brand of professional turntable in use at a given radio station. The older, larger and heavier turntables needed a 180 degree backward rotation to allow for run up to full speed; some of the newer 1950s models used aluminum platters and cloth backed rubber mats which required a third of a rotational turn or less to achieve full speed when the song began. All this was done in order to present a music show on air with the least amount of silence ("dead air") between music, the announcer's patter and recorded advertising commercials. The rationale was that any "dead air" on a radio station was likely to prompt a listener to switch stations, so announcers and program directors instructed DJs and announcers to provide a continuous, seamless stream of sound–from music to an announcer to a pre recorded commercial, to a "jingle" (radio station theme song), and then immediately back to more music. Back cueing was a key function in delivering this seamless stream of music. Radio personnel demanded robust equipment and manufacturers developed special tonearms, styli, cartridges and lightweight turntables to meet these demands.

Modern scratching techniques were made possible by the invention of direct drive turntables, which led to the emergence of turntablism. Early belt drive turntables were unsuitable for scratching since they had a slow start up time, and they were prone to wear and tear and breakage, as the belt would break from backspinning or scratching. The first direct drive turntable was invented by Shuichi Obata, an engineer at Matsushita (now Panasonic), based in Osaka, Japan. In 1969, Matsushita released it as the SP 10, and the first in their influential Technics series of turntables. He developed the technique when experimenting with the Technics SL 1200, a direct drive turntable released by Matsushita in 1972 when he found that the motor would continue to spin at the correct RPM even if the DJ wiggled the record back and forth on the platter. Afrika Bambaataa made a similar discovery with the SL 1200 in the 1970s. The Technics SL 1200 went on to become the most widely used turntable for the next several decades. Jamaican born DJ Kool Herc, who immigrated to New York City, influenced the early development of scratching. Kool Herc developed break beat DJing, where the breaks of funk songs—being the most danceable part, often featuring percussion—were isolated and repeated for the purpose of all night dance parties. He was influenced by Jamaican dub music, and developed his turntable techniques using the Technics SL 1100, released in 1971, due to its strong motor, durability, and fidelity. and the "unwitting inventor of turntablism." In 1981 Grandmaster Flash released the song "The Adventures of Grandmaster Flash on the Wheels of Steel" which is notable for its use of many DJ scratching techniques. It was the first commercial recording produced entirely using turntables. In 1982, Malcolm McLaren & the World's Famous Supreme Team released a single "Buffalo Gals", juxtaposing extensive scratching with calls from square dancing, and, in 1983, the EP, D'ya Like Scratchin'?, which is entirely focused on scratching. Another 1983 release to prominently feature scratching is Herbie Hancock's Grammy Award winning single "Rockit". This song was also performed live at the 1984 Grammy Awards, and in the documentary film Scratch, the performance is cited by many 1980s era DJs as their first exposure to scratching. The Street Sounds Electro compilation series which started in 1983 is also notable for early examples of scratching. Also, a notable piece was "For A Few Dollars More" by Bill Laswell Michael Beinhorn band Material, released on 12" single in Japan and containing scratch performed by Grand Mixer DXT, another pioneer of scratching.

Most scratches are produced by rotating a vinyl record on a direct drive turntable rapidly back and forth with the hand with the stylus ("needle") in the record's groove. This produces the distinctive sound that has come to be one of the most recognizable features of hip hop music. Over time with excessive scratching, the stylus will cause what is referred to as "cue burn", or "record burn". The basic equipment setup for scratching includes two turntables and a DJ mixer, which is a small mixer that has a crossfader and cue buttons to allow the DJ to cue up new music in their headphones without the audience hearing. When scratching, this crossfader is utilized in conjunction with the scratching hand that is manipulating the record platter. The hand manipulating the crossfader is used to cut in and out of the record's sound.

Sounds that are frequently scratched include but are not limited to drum beats, horn stabs, spoken word samples, and vocals/lyrics from other songs. Any sound recorded to vinyl can be used, and CD players providing a turntable like interface allow DJs to scratch not only material that was never released on vinyl, but also field recordings and samples from television and movies that have been burned to CD R. Some DJs and anonymous collectors release 12 inch singles called battle records that include trademark, novel or hard to find scratch "fodder" (material). The most recognizable samples used for scratching are the "Ahh" and "Fresh" samples, which originate from the song "Change the Beat" by Fab 5 Freddy. There are many scratching techniques, which differ in how the movements of the record are combined with opening and closing the crossfader (or another fader or switch, such as a kill switch, where "open" means that the signal is audible, and "closed" means that the signal is inaudible). This terminology is not unique; the following discussion, however, is consistent with the terminology used by DJ QBert on his Do It Yourself Scratching DVD.

While scratching is becoming more and more popular in pop music, particularly with the crossover success of pop hip hop tracks in the 2010s, sophisticated scratching and other expert turntablism techniques are still predominantly an underground style developed by the DJ subculture. The Invisibl Skratch Piklz from San Francisco focuses on scratching. In 1994, the group was formed by DJs Q Bert, Disk & Shortkut and later Mix Master Mike. In July 2000, San Francisco's Yerba Buena Center for the Arts held Skratchcon2000, the first DJ Skratch forum that provided "the education and development of skratch music literacy". In 2001, Thud Rumble became an independent company that works with DJ artists to produce and distribute scratch records. In 2004, Scratch Magazine, one of the first publications about hip hop DJs and record producers, released its debut issue, following in the footsteps of the lesser known Tablist magazine. Pedestrian is a UK arts organisation that runs Urban Music Mentors workshops led by DJs. At these workshops, DJs teach youth how to create beats, use turntables to create mixes, act as an MC at events, and perform club sets.

Scratching has been incorporated into a number of other musical genres, including pop, rock, jazz, some subgenres of heavy metal (notably nu metal) and some contemporary and avant garde classical music performances. For recording use, samplers are often used instead of physically scratching a vinyl record. DJ Product©1969, formerly of the rap rock band Hed PE, recalled that the punk rock band the Vandals was the first rock band he remembered seeing use turntable scratching. Product©1969 also recalled the early rap metal band Proper Grounds, which was signed to Madonna's Maverick Records, as being another one of the first rock bands to utilize scratching in their music. Guitarist Tom Morello, known for his work with Rage Against the Machine and Audioslave, has performed guitar solos that imitate scratching by using the kill switch on his guitar. Perhaps the best known example is "Bulls on Parade", in which he creates scratch like rhythmic sounds by rubbing the strings over the pick ups while using the pickup selector switch as a crossfader. Since the 1990s, scratching has been used in a variety of popular music genres such as nu metal, exemplified by Linkin Park, Slipknot and Limp Bizkit. It has also been used by artists in pop music (e. g. Nelly Furtado) and alternative rock (e. g. Incubus). Scratching is also popular in various electronic music styles, such as techno.