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Scratch or Scratching is a DJ or turntablist technique used to produce distinctive sounds by moving a vinyl record back and forth on a turntable while manipulating the crossfader on a DJ mixer. While Scratch or Scratching is most commonly associated with hip hop music, since the 1990s, Scratch or Scratching has been used in some styles of pop and nu metal. Within hip hop culture, Scratch or Scratching is one of the measures of a DJ's skills, and there are many Scratch or Scratching competitions. In recorded hip-hop songs, Scratch or Scratching hooks often use portions of different rap songs.
Scratch or Scratching was developed by early hip hop DJs from New York such as Grand Wizard Theodore and DJ Grandmaster Flash, who describes Scratch or Scratching as, "nothing but the back-cuing that you hear in your ear before you push it [the recorded sound] out to the crowd." Jamaican-born DJ Kool Herc also influenced the early development of Scratch or 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. Scratch or Scratching.
Sophisticated Techniques of Scratch or Scratching
• Baby scratch - The simplest scratch form, it is performed with the scratching hand only, moving the record back and forth in continuous movements while the crossfader is in the open position.
• Forward and backward scratch - The forward scratch, also referred to as "cutting", is a baby scratch where the crossfader is closed during the backwards movement of the record. If the record is let go instead of being pushed forward it is also called "release scratch". Cutting out the forward part of the record movement instead of the backward part gives a "backward scratch".
• Tear Scratch - Tear scratches are scratches where the record is moved in a staggered fashion, dividing the forward and backward movement into two or more movements. This allows creating sounds similar to "flare scratches" without use of the crossfader and it allows for more complex rhythmic patterns. The term can also refer to a simpler, slower version of the chirp.
• Scribble scratch - The scribble scratch is performed without the crossfader, and is performed by tensing the forearm muscles of the scratching hand and rapidly jiggling the record back and forth.
• Chirp scratch - The chirp scratch involves cutting off the reversing sound with the crossfader while performing a baby scratch. When performed quickly, this creates a "chirping" noise. When performed using a recording of drums this allows creating the illusion of doubled scratching speed, due to the attack created by cutting in the crossfader on the backward movement.
• Hydrophonic Scratch - is a baby scratch with a "tear scratch" sound produced by your thumb running the opposite direction as your scratch fingers. This rubbing of the thumb adds a vibrating effect or reverberation to forward movements on the turntable.
• Transformer scratch - with the crossfader closed, the record is moved with the scratching hand while periodically "tapping" the crossfader open and immediately closing it again.
• Flare scratch - it begins with the crossfader open, and then the record is moved while briefly closing the fader one or more times to cut the sound out. This produces a staggering sound which can make a single "flare" sound like a very fast series of "chirps" or "tears." The number of times the fader is closed ("clicks") during the record's movement is usually used as a prefix to distinguish the variations. The flare allows a DJ to scratch continuously with less hand fatigue than transforming. The flare can be combined with the crab for an extremely rapid continuous series of scratches.
• Crab scratch - it consists of moving the record while quickly tapping the crossfader open with each finger of the crossfader hand. In this way, DJs are able to perform transforms or flares much faster than they could by manipulating the crossfader with the whole hand. It produces a fading/increasing transforming sound.
• Twiddle scratch - consists of a two finger Crab Scratch using your index and middle fingers
• Orbit scratch - this term describes any scratch (most commonly flares) that are repeated during the forward and backward movement of the record. Orbit is also used as a shorthand for 2-click flares.
• Tweak scratch - it is performed with the turntable's motor off. The record platter is set in motion manually, then "tweaked" faster and slower to create a songlike scratch. This scratch form is best performed with long, sustained sounds.
• Euro scratch - a variation of the "flare scratch" in which two faders are used simultaneously with one hand to cut the sound much faster. The euro scratch can also be done by using only the up fader and the phono line switch to cut the sound.
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