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