- 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
- Hipolito Lazaro, Rosa Ponselle, Jose Mardones, Enrico Caruso, Pasquale Amato, Fernando De Lucia, Mattia Battistini, Claudia Muzio, Francesco Tamagno, Rolando Panerai, Helge Roswange, Celestina Boninsegna, Titta Ruffo, Leon Escalais, Lawrence Tibbett, Giovanni Zenatello, Alfred Piccaver, Aureliano Pertile & Giuseppe Anselmi
- Fausto Cleva, Lily Pons & The Metropolitan Opera Orchestra
- Richard Bonynge, Dame Joan Sutherland, Franco Corelli, Nicolai Ghiaurov & London Symphony Orchestra
- John Reardon, Robert Merrill, Giorgio Tozzi, Sir Thomas Beecham, The RCA Victor Orchestra, Lucine Amara, Victoria de los Ángeles & Jussi Björling
- Kurt Peter Eichhorn, Münchner Rundfunkorchester & Kurt Moll