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