Question: who is credited with inventing the technique called cutting

title: Scratching
text: Specialized DJ - CD players with jog wheels , allowing the DJ to manipulate a CD as if it were a vinyl record , have become widely available in the 2000s . Vinyl emulation software allows a DJ to manipulate the playback of digital music files on a computer via a DJ control surface ( generally MIDI or a HID controller ) . DJs can scratch , beatmatch , and perform other turntablist operations that can not be done with a conventional keyboard and mouse . DJ software performing computer scratch operations include Traktor Pro , Mixxx , Serato Scratch Live & Itch , Virtual DJ , M - Audio Torq , DJay , Deckadance , Cross . DJs have also used magnetic tape , such as cassette or reel to reel to both mix and scratch . Tape DJing is rare , but Ruthless Ramsey in the US , Tj Scratchavite in Italy and Mr Tape in Latvia use exclusively tape formats to perform .