Netherlands Philharmonic Choir

Helene Boschi

Saint Louis Symphony Orchestra

Ettore Bastianini

Nan Merriman

Karol Szymanowski

Leonid Kogan

Pablo de Sarasate

Franz Lehár

Pro Musica Orchestra Stuttgart

Lovro Von Matacic

Berliner Symphoniker

Anton Rubinstein

Margaret Roggero

Westminster Symphony Orchestra

Frankenland State Symphony Orchestra

Josef Páleníček

Henry Swoboda

Борис Гмиря

Janine Micheau

Libero De Luca

Josef Strauß

Paul Sacher

William Kapell

Rudolf Kempe