Cornel Stavru, Peter Katt, Berlin Civic Opera Chorus, Kurt Böhme, Czech National Symphony Orchestra, John Oakman, Sebastian Hauser, Wilfred Tachezi, Romanian Opera Orchestra, Bucgarest, Antal Doráti, Dankwart Gahl, Prague Philharmonic Chorus, Irmgard Gahl, Bulgarian National Radio Symphony Orchestra, Louis Kentner, Edward Pleasant, Dekany String Quartet, Bamberger Symphoniker, Carl Michalski, Orchester der Wiener Staatsoper, Hans Lenzer, Julian Bigg, Paul Roczek, Ilse von Alpenheim, John Landor, Susan McCulloch, Mircea Popa, Jürgen Geise, Berlin Civic Opera Orchestra
