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