Alexandru Agache

George Enescu

Jerry Hadley

Artur Rodzinski

Giacomo Meyerbeer

Ernest Ansermet

Wiener Singverein

Eileen Hulse

Béla Bartók

Wiener Philharmoniker

NBC Symphony Orchestra

Pietro Mascagni

Robert Merrill

The Orchestra Della Toscana

Jacques Offenbach

Bruce Fowler

Rita Streich

Romuald Tesarowicz

Howard Crook

Gaetano Donizetti

Olga Borodina

Deutsches Symphonie-Orchester Berlin

Iulia Várady

Marian Anderson

Franz Schubert