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