Olga Szönyi
Stephen Mould
Enid Simon
Christine Messiter
Rosario La Spina
Richard Egarr
Robert Kerns
Gerhard Fackler
Orchestra Ente Lirico Arena Di Verona
Hugues Cuenod
Frederica von Stade
Orchestra del Teatro dell'Opera di Roma
Charles Smart
The McCarthy Singers
Marian Anderson
Antoinette Halloran
Irmgard Seefried
Kathleen Ferrier
Nicholas Bucknall
Mabel Perelstein