Der Schall (1968)
Kölner Ensemble für Neue Musik, Christoph Caskel (Various Instruments), Edward Hankins Tarr (Various Instruments), Karl-Heinz Böttner (Various Instruments), Vinko Globokar (Various Instruments), Wilhelm Bruck (Various Instruments)
1969, Köln, Rhenus Studio, Köln-Godorf
- 14:20—
- 23:06—
Recording appears on: