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