- Richard Tucker, Giuseppe Valdengo, Eva Gustavson, Herva Nelli, NBC Symphony Orchestra, Arturo Toscanini
- Frank Guarrera, Ezio Flagello, Carlo Bergonzi, Giorgio Tozzi, Robert Nagy, Dimitri Mitropoulos, Zinka Milanov, The Metropolitan Opera Orchestra, Norman Scott, Marie Janger
- Giulio Viamonte, Orchestra of the Teatro Cólon, Aldo Protti, Guerrino Boschetti, Norman Scott, Victorio Bacciato, Gré Brouwenstijn, Virgilio Tavini, Chorus of Teatro Colon, Richard Tucker, Mario Verazzi, Mignon Dunn, Ruzena Horakova, Fernando Previtali
- Antonio Spruzzola-Zola, Orchestra del Teatro La Fenice di Venezia, Gertrud Grob-Prandl, Norman Scott, Franco Capuana, Renata Ferrari-Ongara
- Thelma Votipka, Louis Sgarro, Calvin Marsh, Margaret Roggero, Mildred Allen, Leonard Warren, William Wilderman, Gabor Carelli, Norman Scott, Roberta Peters, Eugenio Fernandi, Fausto Cleva, Madelaine Chambers, The Metropolitan Opera Orchestra, George Cehanovsky
- Aldo Protti, Lucille Udovich, Italo Pasini, Norman Scott, Mignon Dunn, Flaviano Labò, Carlo Felice Cillario, Luisa Bartoletti, Tullio Gagliardo
- Marko Rothmüller, Irene Dalis, Georg Solti, Norman Scott, Hermann Prey, Leonie Rysanek, Paul Franke, The Metropolitan Opera Orchestra, Mildred Allen, Hans Hopf, Robert Nagy