- Johana Harris, Franz Rupp, Jascha Heifetz, Vladimir Sokoloff, Andre Benoist, Vernon de Tar, Albert Spalding, Harry Isaacs, William Primrose, Joseph Kahn, Marian Anderson
- Gerhard Steeger, Kurt Schröder, Sebastian Peschko, Heinrich Schlusnus, Franz Rupp, hr-Sinfonieorchester, Berlin Staatsoper Orchestra