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