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