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