Mauricio Kagel, Saschko Gawriloff, Gérard Ruymen, Siegfried Palm, Birgit Sylvestre, Georg Nothdorf, Adam Bauer, Kurt Schwertsik, Armin Rosin, Robert Tucci, Aloys Kontarsky, Christoph Caskel & Children of the "Hauptschule Peter-Griess-Strasse", Köln