Sveshnikov Boys and Men's Choir, Werner Hollweg, Barbara Hölzl, Moscow Radio Children's Choir, Ursula Fiedler, Herbert Blomstedt, Staatskapelle Dresden, Ute Walther, Reiner Goldberg, Chor der Staatsoperette Dresden, Rudolf Barshai, Jakob Stampfli, Russian National Orchestra, Edith Wiens, Karl-Heinz Stryczek
Vocappella Innsbruck, Barbara Hölzl, Markus Volpert, Wolf Matthias Friedrich, Markus Schäfer, Rainer Trost, Aura Musicale Budapest, Carsten Süß, Andreas Mattersberger, Gabriela Bürgler, Harry van der Kamp
Helmut Wildhaber, Jakob Stampfli, Rundfunkchor Berlin, Basso, Il, Todor Grigorov, Staatskapelle Berlin, RIAS Symphony Orchestra, Olga Romanko, Michael Knapp, Dresdner Kreuzchor, Emil Tabakov, David Cordier, Russian National Orchestra, Vokalensemble Frankfurt, Bernarda Fink, Martin Haselböck, Michael-Christfried Winkler, Hugo Distler Choir, Bratislava Philharmonic Chorus, Helmuth Froschauer, Nicola Ghiuselev, Rheinische Kantorei, Jörg-Peter Weigle, Cologne Radio Chorus, Regensburg Cathedral Choir, Herbert Lippert, Stuttgart Philharmonic Orchestra, János Ferencsik, Uwe Gronostay, Boris Christoff, Hubert Velten, Franco de Grandis, Werner Hollweg, Barbara Hölzl, WDR Sinfonieorchester Köln, Vienna Academy, Wiener Sängerknaben, Peter Marschik, Hermann Max, Ildikó Raimondi, Georgi Robev, MDR Rundfunkchor, Ernst Jankowitsch, RIAS Kammerchor, Moscow Rybin Choir, Roland Büchner, Bulgarian National Choir, Vincente Ombuena Valls, Ralf Otto, Marcus Creed, Sofia Orthodox Ensemble, CantArte Regensburg, Bratislava Philharmonic Orchestra, Sveshnikov Boys and Men's Choir, Ursula Fiedler, Das Kleine Konzert, Cappella Coloniensis, Berliner Singakademie, Gabriele Ferro, Celina Lindsley, Miroslav Popsavov, Dietrich Knothe, Martin Flämig, Stefania Toczyska, Sofia Philharmonic Orchestra, Rudolf Barshai