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