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