Roland Büchner, Regensburg Cathedral Choir, David Cordier, Vienna Boys' Choir, Helmut 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
Tito Gobbi, Victoria de los Ángeles, Boris Christoff, Giuseppe Campora, Walter Monachesi, Paolo Caroli, Paolo Dari, Sylvia Bertona, Chorus of the Rome Opera, Orchestra of the Rome Opera, Giuseppe Conca & Gabriele Santini
Gre Brouwenstijn, Joseph Rouleau, Jeannette Sinclair, Roger Beardsley, Lord Harewood, Carlo Maria Giulini, Orchestra of the Royal Opera House, Covent Garden, Chorus of the Royal Opera House, Covent Garden, Jon Vickers, Fedora Barbieri, Robert Allman, Boris Christoff, Edgar Evans, Tito Gobbi, Ava June & Michael Langdon
Gabriele Santini, Boris Christoff, Orchestra del Teatro alla Scala di Milano, Coro del Teatro alla Scala di Milano, Antonietta Stella, Flaviano Labo, Fiorenza Cossotto, Ettore Bastianini, Aurora Cattelani & Franco Piva
Bruno Prevedi, Montserrat Caballé, Boris Christoff, RAI Symphony Chorus, Milan, RAI Symphony Orchestra, Milan, Gianandrea Gavazzeni, Peter Glossop, Mirella Fiorentini, Franco Ricciardi & Giuseppe Morresi
Mario Rossi, Myriam Pirazzini, Elisabeth Schwarzkopf, Cesare Valletti, Boris Christoff, Luigia Vincenti, Coro di Torino della RAI & Orchestra Sinfonica Di Torino Della RAI
Gabriele Santini, San Carlo Theatre Orchestra, Gino Penno, Boris Christoff, Elena Nicolai, Anita Cerquetti, San Carlo Theatre Chorus & Giangiacomo Guelfi
Elisabeth Schwarzkopf, Mario Rossi, Luigia Vincenti, Boris Christoff, RAI Chorus, Turin, RAI Symphony Orchestra, Turin, Miriam Pirazzini & Cesare Valletti
