- 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
- amelita Galli-Curci, Giuseppe De Luca, Tito Schipa, Josef Pasternack & Rosario Bourdon
- Richard Tucker, Columbia Symphony Orchestra & Fausto Cleva
- Renata Tebaldi, Birgit Nilsson, Jussi Björling, The Rome Opera House Orchestra, Coro del Teatro dell'Opera di Roma & Erich Leinsdorf
- Renata Tebaldi & Carlo Bergonzi
- Anton Guadagno, Renata Tebaldi, Franco Corelli & Orchestre de la Suisse Romande