- The Columbia Concert Orchestra, Victor Young and His Orchestra, Emanuel Balaban, Count Basie and His Orchestra, Paul Robeson
- Giuseppe de Luca, Studio Orchestra, Charles Hackett, Anne Roselle, Jan Peerce, Lawrence Tibbett, Anna Case, Dino Borgioli, Alberto Erede, Studio Conductor, Studio Pianist, Margherita Grandi, Richard Crooks, Lionel Barrymore, Tino Pattiera, Lauritz Melchior, Studio ensemble
- Morris Levine, Studio Chorus, Frank Black, RCA Victor Symphony Orchestra, Studio Orchestra, Leonard Warren