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