- Beniamino Gigli, Josef A. Pasternack, Josef Pasternack Orchestra, Nathaniel Shilkret, Nathaniel Shilkret and His Orchestra, Rosario Bourdon, Studio Orchestra, Rosario Bourdon and His Orchestra, John Barbirolli Orchestra, Sir John Barbirolli, Franco Ghione, Milan La Scala Orchestra, Staatskapelle Berlin, Bruno Seidler-Winkler, Dino Olivieri, Walter Goehr, Lawrence Collingwood, Luigi Ricci, Milan Chamber Orchestra & Rainaldo Zamboni
- Jussi Björling & Nils Grevillius
- Alessandro Bonci, Giuseppe Anselmi, Lina Cavalieri, John McCormack, Rosa Ponselle, Giovanni Zentella, Maria Sammarca, Ferdinand Ansseaau, Mattia Battistini, Claudia Muzio, Enrico Caruso, Elisabeth Rethberg, Richard Tauber, Rosa Raisa, Aureliano Pertile, Emmy Destinn, Alfred Piccaver, Florence Easton, Antonio Cortis, Dmitri Smirnov, Anne Roselle & Giovanni Martinelli
- Giuseppe di Stefano
- José Carreras, Plácido Domingo & Luciano Pavarotti
- 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
- André Kostelanetz, Beverly Sills, Columbia Symphony Orchestra & New York Philharmonic