- 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
- Tito Schipa & Toti Dal Monte
- Metropolitan Orchestra & Jarmila Novotna
- Hilde Gueden, Wiener Staatsopernchor, Orchester der Wiener Staatsoper, Max Schönherr, Kingsway Symphony Orchestra, Hans May, Rudolf Moralt, Wiener Volksopernorchester, Robert Stolz, Wiener Philharmoniker, Josef Krips & Horst Stein
- 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