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