- Orchestra del Teatro alla Scala di Milano, Alessandro Granda, Lorenzo Molajoli, Gino Vanelli, Rosetta Pampanini
- Mona Paulee, George Cehanovsky, Jan Peerce, Lorenzo Alvary, Cesare Sodero, John Baker, Alessio De Paolis, The Metropolitan Opera Chorus, Salvatore Baccaloni, The Metropolitan Opera Orchestra, Grace Moore, Lawrence Tibbett
- Otto Kruger, John Conte, Nelson Eddy, Gale Sherwood, Earl William, Viola Essen, Salvatore Baccaloni
