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