Richard Mayr

Richard Crooks

Maurice Ravel

Felix Weingartner

Serge Koussevitzky

Sir Thomas Beecham

RCA Victor Symphony Orchestra

Johannes Brahms

Joseph Haydn

Boston Symphony Orchestra

Berliner Philharmoniker

John Charles Thomas

Felix Prohaska

Bruno Walter

Georg Hann

Wiener Philharmoniker

London Philharmonic Orchestra

Claude Debussy

Sir Malcolm Sargent

Philharmonic-Symphony Orchestra Of New York

Eugene Ormandy

The Philadelphia Orchestra

Wolfgang Amadeus Mozart

Wiener Staatsopernchor

Leopold Stokowski