RCA Victor Symphony Orchestra, Studio Orchestra, Paul Reimers, John McCormack, Richard Crooks, Armand Bernard, Ladies' Chorus, Giovanni Martinelli, Milton Katims, John Charles Thomas, Rosa Ponselle, Lawrence Tibbett, Georges Thill, Stewart Wille, Hulda Lashanska, Clarence Dickinson, Ernestine Schumann-Heink, Carroll Hollister, Edwin Schneider, Studio Chorus, G. Tarragó, Dorothy Maynor, Rosario Bourdon, Claudia Muzio, Gladys Swarthout, Victoria de los Ángeles, Aksel Schiøtz, Elisabeth Schumann, Marcel Journet, Renata Tarragó, Margarete Matzenauer, Trinity Church Choir, New York, Richard Tauber, Henry Geehl, Mogens Woldike, Lorenzo Molajoli
