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