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