Disco 1
Disco 2
- Studio Chorus, Lawrence Tibbett, Studio Orchestra, Studio Pianist, Alexander Smallens, Stewart Wille, Wilfrid Pelletier, The Metropolitan Opera Orchestra, Richard Crooks, Mark Andrews, Kirsten Flagstad, Lauritz Melchior, Karin Branzell, Eugene Goosens, George Cehanovsky, John Engelman, Giovanni Paltrinieri, Gennaro Papi, Nicholas Massue, Ettore Panizza, Artur Bodanzky, Susanne Clemens, Gabor, Wolfe, Alfred Newman, Earl Covert & Zaruhi Elmassion
- The Royal Opera Chorus
- Robert Stankovsky, Philharmonia Cassovia & Andrew Mogrelia
- Keith Brion & Slovak Radio Symphony Orchestra
- London Philharmonic Orchestra, Christian Rainer, Bernhard Kontarsky, Ruggiero Ricci, Alberto Lizzio, London Festival Orchestra, Jussi Björling, Robert Merrill, Studio choir, Hungarian State Opera Orchestra, Maria Spacagna, Charles Rosenkrans, Peter Frankl, Bystrik Rezucha, Slovak Philharmonic Orchestra, Czech Symphony Orchestra, John Oakman, Julian Bigg, Lily Pons, Oliver von Dohnányi, Katarina Kmetova, Bratislava Opera Orchestra, Hanspeter Gmür, Nuremberg Symphony Orchestra, Roy Goodman, European Union Baroque Orchestra, Martin Souter, James Gregory, Jonel Perlea & Filarmonica di Vienna
- Mária Zempléni, Veronika Kincses, Julia Hamari, Ervin Lukács, Hungarian State Opera Chorus & Hungarian State Opera Orchestra
- Beniamino Gigli, Orchestra del Teatro alla Scala di Milano, Umberto Berrettoni, Studio Orchestra, Rina Gigli, Bruno Seidler-Winkler, Prussian State Cappella Orchestra, Rainaldo Zamboni, Orchestra of the Royal Opera House, Covent Garden, Studio harpist, Vito Carnevali, Philharmonia Chorus, Stanford Robinson, Philharmonia Orchestra, Milan Symphony Orchestra & Argeo Quadri