Bidú Sayão, Francesco Valentino, Lawrence Davidson, George Cehanovsky, Licia Albanese, The Metropolitan Opera Orchestra, Jussi Björling, Salvatore Baccaloni, James McCracken, Calvin Marsh, Anthony Marlowe, Osie Hawkins, Fernando Corena, Rosalind Elias, Thomas Hayward, Milton Cross, Dimitri Mitropoulos, Giuseppe Antonicelli, Mimi Benzell, Nicola Moscona, Frank Guarrera, Alessio De Paolis, The Metropolitan Opera Chorus
