Christian Marclay may be the father of experimental turntablism, scratching and mutating and finally crushing a selection of battered vinyl in his 1984 short film "Record Players." But Janek Schaefer is the genre's clown prince. With his Tri-Phonic Turntable, the London-based artist unintentionally invented the best tool for extracting subliminal messages from Black Sabbath albums: a home-built record player modified with three tone-arms that allow the performer to mix several sections of a record together simultaneously, shift speed, or reverse the record at will. Schaefer cut custom dub-plates of locked grooves, then sent the tone-arms shuttling across the vinyl, mixing chance loops into dense aggregations of field recordings. The Tri-Phonic even... More >>>