Sylvan Levin

The National Symphony Orchestra

Frieder Weissmann

London Symphony Orchestra

Jan Peerce

London Philharmonic Orchestra

John Brownlee

Hilde Reggiani

RCA Victor Symphony Orchestra

The Philadelphia Orchestra

Eugen Jochum

Hallé Orchestra

Licia Albanese

New York City Symphony Orchestra

Arthur Fiedler

Lotte Lehmann

Robert Easton

Bruno Landi

Ramón Vinay

Cloe Elmo

Artur Rodzinski

Giacomo Puccini

Städtisches Orchester Berlin

Howard Barlow

Anatole Fistoulari