German turntablist Claus van Bebber (b. 1949) is one of many avant-garde sound artists also fronting a career in the visual arts. His profile is similar to those of Martin Tétreault, Christian Marclay, and Philip Jeck. In his solo concerts, he uses a number of antiquated turntables (usually five or six) to play prepared records bought in cheap second-hand stores. His thick layering of sonic materials has little to do with Marclay's skipping quotes or Tétreault's humorous narratives (in his early years) and no-vinyl experiments (later), but it shares similarities with Jeck's so...