accordion [electronium] Harald Bojé
clarinet Michel Portal
composed by Karlheinz Stockhausen
double bass J.-F. Jenny-Clark
drums Jean-Pierre Drouet
percussion [tam-tam] Alfred Alings
percussion [tam-tam] Rolf Gehlhaar
piano Aloys Kontarsky
piano Carlos Roqué Alsina
viola Johannes G. Fritsch
Recorded by the West German Radio, Cologne.