North Rhine Westfalia State Youth Choir, Helmuth Froschauer, Andrea Bonig, Wolfgang Bankl, Hermann Godland, Juliane Banse, Alfred Šramek, Jörg Dürmüller, Cologne West German Radio Orchestra, Dietrich Henschel, Heinz Zednik, Regina Klepper, Franz Hawlata
Sofia Philharmonic Orchestra, Hungarian State Opera Orchestra, Michael Schoppe, Soloists of Berlin Radio Chorus, Martin Blasius, Bo Skovhus, Sofia National Opera Chorus, Regensburg Cathedral Choir, Herbert Lippert, János Ferencsik, Astrid Pilzecker, Friedrich von Spee Male Choir, Martin Haselböck, Cologne Radio Chorus, Hans-Joachim Ribbe, Sofia National Opera Orchestra, Peter Falk, Roland Buchner, Carl Maria von Weber Radio Symphony Orchestra, Helmut Wildhaber, SWF Radio Orchestra, Rundfunkchor Berlin, Klaus Arp, Hugo Distler Choir, Marjana Lipovšek, Dorothe Jansen, Dresdner Philharmonie, Herbert Kegel, Kurt Peter Eichhorn, St Thomas's Boys Choir Leipzig, Studentische Madrigalchor Munster, Hungarian State Opera Chorus, Dresdner Kreuzchor, Martina Borst, Ildikó Raimondi, Georgi Robev, MDR Rundfunkchor, Dieter Fokel, Wolfgang Stahl, Sundfunkchor Stuttgart, Vienna Boys' Choir, Hanns-Martin Schneidt, Peter Marschik, MDR Sinfonieorchester, Regina Klepper, Berlin Male Choir, Martin Flämig, Marcus Creed, Bulgarian National Choir, Bernd Casper, Chor der Bayerischen Staatsoper München, Michael-Christfried Winkler, Stuttgarter Choristen, Franz Hawlata, Hermann Prey, Vienna Academy Orchestra, Bernarda Fink, Stefan Soltesz, Leopold Hager, Dietrich Knothe, South West German Radio Kaiserslautern Orchestra, Jörg-Peter Weigle, Hans-Joachim Rotzsch, RIAS Kammerchor, Luxembourg Philharmonic Orchestra, Gerhard Mayer, Helmuth Froschauer, Cologne Radio Symphony Orchestra, Sandor Solyom-Nagy
Sofia Philharmonic Orchestra, Herbert Kegel, Olga Romanko, Michael Knapp, Dresdner Kreuzchor, Barbara Schlick, Emil Tabakov, Martina Borst, Das Kleine Konzert, Helmuth Froschauer, MDR Rundfunkchor, Derek Lee Ragin, Renato Bruson, Stefania Toczyska, Martin Haselböck, Gotthold Schwarz, Mari Anne Haggander, Lena Susanne Norin, Charles Humphries, Academy of London, Hugo Distler Choir, Teresa Seid, Klaus Mertens, Bulgarian National Choir, Vincente Ombuena Valls, Helmut Wildhaber, Max Emanuel Cenčić, New Bach Collegium Musicum Leipzig, Siegfried Lorenz, Ildikó Raimondi, Ute Selbig, Bamberg String Quartet, Max Pommer, Kraków Philharmonic Orchestra, Franco de Grandis, Armin Ude, Roberto Paternostro, Vienna Academy, Peter Marschik, Hermann Max, MDR Sinfonieorchester, Regina Klepper, Rundfunk-Sinfonieorchester Berlin, Cologne West German Radio Orchestra, Vienna Volksoper Symphony Orchestra, Christoph Prégardien, Roland Bader, Martin Flämig, Dorothe Jansen, Cologne West German Radio Chorus, Dresdner Philharmonie, Elisabeth Lang
