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