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