- Jascha Heifetz, Gregor Piatigorsky, Israel Baker & William Primrose
- Pablo Casals, Leopold Mannes, Mieczysław Horszowski, Alexander Schneider, Prades Festival Orchestra & Eugene Ormandy
- Rudolf Serkin, Adolph Busch, Gosta Andreasson, Karl Doktor & Hermann Busch
- Alicia de Larrocha, London Philharmonic Orchestra & Rafael Frühbeck de Burgos