- amelita Galli-Curci, Giuseppe De Luca, Tito Schipa, Josef Pasternack & Rosario Bourdon
- Beniamino Gigli
- Kenneth McKellar & Sir Adrian Boult
- Kathleen Ferrier
- Joseph Schmidt
- Rosa Ponselle
- Jussi Björling, Nils Grevillius, The Royal Orchestra, Stockholm Concert Association Orchestra, Anna-Lisa Bjorling, Swedish Radio Orchestra, Robert Merrill, Renato Cellini, The RCA Victor Orchestra & Emil Markov