- Virgilio Gottardi, Marcello Giorda, Orchestra of the Rome Opera House, Lina Pagliughi, Mario Filippeschi, Tullio Serafin, Giulio Neri, Giuseppe Varni, Anna Maria Rovere, Anna Maria Canali, Roberto Bruni, Tito Gobbi
- Maria Huder, Orchestra of the Rome Opera House, Adelio Zagonara, Vincenzo Bellezza, Adriana Guerrini, Luigi Infantino, Giuseppe Conca, Paolo Silveri, Gino Conti
- The Victor Orchestra, Josef Pasternack, Enrico Caruso, Walter B. Rogers, Vincenzo Bellezza, Francis Lapitino
- Franco Calabrese, Roberta Peters, Arturo La Porta, Santa Chissari, Vittorio Tatozzi, Lidia Grandi, Silvana Celli, Andrea Mineo, Giorgio Tozzi, Anna Maria Rota, Robert Merrill, Leonardo Monreale, Tommaso Frascati, Vincenzo Bellezza, Jonel Perlea, Jussi Björling, Orchestra of the Rome Opera House