E. Grosskopf
Dialectics, Op. 9 (Version 5 for Tape, Flute, Viola & Trombone)
Eberhard Blum, Erhard Grosskopf, Claude Lelong, Vinko Globokar
Dialectics, Op. 9 (Version 1 for Tape, Flute, Clarinet & Trombone) [Live]
Vinko Globokar, Hans Deinzer, Erhard Grosskopf, Eberhard Blum