- Fernando Previtali, Mignon Dunn, Giulio Viamonte, Virgilio Tavini, Mario Verazzi, Aldo Protti, Guerrino Boschetti, Norman Scott, Victorio Bacciato, Orchestra of the Teatro Cólon, Gré Brouwenstijn, Chorus of Teatro Colon, Richard Tucker, Ruzena Horakova
