- Eduard van Beinum, Studio Pianist, Studio Conductor, Grete Stuckgold, Eugenia Zareska, Sara Charles-Cahier, Staatskapelle Berlin, Oskar Fried, Heinrich Rehkemper, Charles Kullman, Jascha Horenstein, Studio Orchestra, Malcolm Sargent, Heinrich Schlusnus, Karin Branzell, Emmi Leisner, Selmar Meyrowitz, London Philharmonic Orchestra, Herman Weigert
