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