Hans Melzer

San Francisco Symphony

Paul Sacher

Walter Gieseking

Franz Berger

Margot Guilleaume

Karl Erb

Sir Adrian Boult

Vienna Pro Musica Orchestra

Marian Anderson

Johann Sebastian Bach

Bidú Sayão

Sir Thomas Beecham

Carlo Maria Giulini

Kiril Kondrashin

Ralph Vaughan Williams

Leopold Stokowski

Ottorino Respighi

Nederlands Philharmonisch Orkest

Antonio Janigro

The Robert Shaw Chorale

Aram Khatchaturian

London Philharmonic Orchestra

Irmgard Seefried

Quartetto Italiano