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