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