- Dieter Ellenbeck, Malcolm Smith, Konig Ensemble, Cologne West German Radio Orchestra, Doris Bierett, Karl Markus, Horst Hiestermann, Lothar Zagrosek, Peter Nikolaus Kante, Carlos Feller, Jan Latham-Koenig, Gabriele Ramm, Trudeliese Schmidt, Hans Franzen, Walter Raffeiner
