Alexander Romanovsky, Alexey Serov, José Serebrier, Marc Chisson, Rachel Barton Pine, Royal Scottish National Orchestra, Russian National Orchestra & Wen-Sinn Yang
Roland Büchner, Regensburg Cathedral Choir, David Cordier, Vienna Boys' Choir, Helmuth Froschauer, Cologne Radio Orchestra, Martin Flämig, Dresdner Kreuzchor, Michael-Christfried Winkler, Emil Tabakov, Bulgarian National Choir, Frankfurt Vocal Ensemble, Ralf Otto, Basso, Il, Berlin Singakademie, Staatskapelle Berlin, Dietrich Knothe, Berlin Radio Choir, Marcus Creed, Rundfunk-Sinfonieorchester Berlin, RIAS Chamber Chorus, Jorg-Peter Weigle, Leipzig Radio Chorus, male section, Sofia Philharmonic Orchestra, Peter Marschik, Stuttgart Philharmonic Orchestra, Michael Knapp, Ernst Jankowitsch, RIAS Symphony Orchestra, Rheinische Kantorei, Das Kleine Konzert, Hermann Max, CantArte Regensburg, Hubert Velten, Gabriele Ferro, Cologne Radio Chorus, Cappella Coloniensis, Herbert Lippert, Ildikò Raimondi, Bernarda Fink, Martin Haselbock, Vienna Academy, Helmut Wildhaber, Hugo Distler Choir, Uwe Gronostay, Janos Ferencsik, Bratislava Philharmonic Chorus, Bratislava Philharmonic Orchestra, Rudolf Barshai, Russian National Orchestra, Ursula Fiedler, Jakob Stampfli, Barbara Hölzl, Werner Hollweg, Sveshnikov Boys and Men's Choir, Celina Lindsley, Franco de Grandis, Vincente Ombuena Valls, Stefania Toczyska, Olga Romanko, Moscow Rybin Choir, Georgi Robev, Boris Christoff, Todor Grigorov, Sofia Orthodox Ensemble, Miroslav Popsavov & Nicola Ghiuselev
Boys Choir of Glinka Choral College, Lolita Semenina, Marianna Tarassova, Mikhail Gubsky, Andrei Baturkin, Mikhail Pletnev, St. Petersburg State Academic Capella Choir & Russian National Orchestra
Herbert Blomstedt, Edith Wiens, Reiner Goldberg, Ute Walther, Karl-Heinz Stryczek, Dresden State Opera Chorus, Staatskapelle Dresden, Moscow Radio Children's Choir, Russian National Orchestra, Jakob Stampfli, Werner Hollweg, Rudolf Barshai, Sveshnikov Boys and Men's Choir, Barbara Hölzl & Ursula Fiedler
Michael Tilson Thomas, San Francisco Symphony, San Francisco Symphony Chorus, Alexander Vedernikov, Eric Ericson Chamber Choir, Russian National Orchestra, Lisa Delan, Vladimir Chernov, Pavlo Hunka, Gunnar Birgersson & Mats Carlsson
