He pioneered and advanced many of the techniques that are now standard for DJs, such as creating long repeating loops of a short phrase by manipulating copies of the same record on multiple turntables, or punching short phrases from one record as an interjection into another record. The group's 1980 single "Freedom" is believed to be the first appearance of record scratching on a record; it had been an important part of live performances by DJs for several years.