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