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