- Mario del Monaco, New Orleans Opera House Association Chorus, William Wildermann, New Orleans Opera House Association Orchestra, Zinka Milanov, Claramae Turner, Norman Treigle, Gerhard Pechner, Leonard Warren, Walter Herbert
- Walter Olitzki, Anthony Marlowe, Hertha Glaz, Maxine Stellman, Emanuel List, Emery Darcy, Thomas Hayward, Thelma Votipka, Lodovico Oliviero, Ludwig Burgstaller, Jarmila Novotna, Thelma Altman, Mona Paulee, Nadine Conner, The Metropolitan Opera Orchestra, Edward Caton, Lorenzo Alvary, George Szell, Alessio De Paolis, Lillian Raymondi, The Metropolitan Opera Chorus, Gerhard Pechner, Irene Jessner
