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