Hermann Prey, Gürzenich-Orchester Kölner Philharmoniker, Franz Crass, Wolfgang Sawallisch, Elisabeth Grümmer, Fritz Wunderlich, Hildegard Hillebrecht, Georg Stern, Edith Mathis & Hans-Georg Knoblich
Teresa Stratas, Ivo Zidek, Willard White, Gwendolyn Killebrew, Ans Philippo, Roberta Alexander, Marianne Dieleman, Angela Bello, Nico Boer, Fors Van Zijl, The Netherland Broadcast Orchestra, The Netherland Broadcast Opera Chorus & Bohumil Gregor