Igor Chichagov, Romano Romani, Mischa Schmidt, Ruby Mercer, Rosa Ponselle
Paul Reimers, John McCormack, Studio Orchestra, Ernestine Schumann-Heink, Marcel Journet, RCA Victor Symphony Orchestra, Renata Tarragó, Ladies' Chorus, Giovanni Martinelli, Georges Thill, Stewart Wille, Claudia Muzio, Gladys Swarthout, Lorenzo Molajoli, Hulda Lashanska, Clarence Dickinson, Milton Katims, Studio Chorus, G. Tarragó, Dorothy Maynor, Rosario Bourdon, Richard Crooks, Margarete Matzenauer, Trinity Church Choir, New York, Victoria de los Ángeles, Aksel Schiøtz, Elisabeth Schumann, Richard Tauber, Henry Geehl, Mogens Woldike, John Charles Thomas, Rosa Ponselle, Lawrence Tibbett, Armand Bernard, Carroll Hollister, Edwin Schneider
Franz Rupp, Robert Merrill, Ezio Pinza, Mischa Elman, Nathan Milstein, Jan Peerce, Gregor Piatigorsky, Marian Anderson, B. Smith, Yehudi Menuhin, Risë Stevens, Carroll Hollister, Gibner King, W. Rose
