- Herta Wilfert, Alois Pernerstorfer, Eberhard Wächter, Orchestra Sinfonica Di Roma Della RAI, Murray Dickie, Karl Liebl, Artur Rodziński, Dezsö Ernster, Gré Brouwenstijn
- Marian Nowakowski, John Lanigan, Raymond Nilsson, Forbes Robinson, Noreen Berry, Orchestra of the Royal Opera House, Otakar Kraus, Gré Brouwenstijn, Ramón Vinay, Michael Langdon, Rafael Kubelík
- 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