Leni Funk

Austrian Symphony Orchestra

Herbert Ernst Groh

Ingeborg Schmidt-Stein

Beniamino Gigli

Tonhalle-Orchester Zürich

Johann Strauss Jr.

Brigitte Mira

John Hendrik

Franz Lehár

Wiener Staatsopernchor

Clemens Krauss

Otto Falvay

Helge Roswaenge

Eleanor Steber

Lisa Della Casa

Erna Sack

Wiener Philharmoniker

RCA Victor Symphony Orchestra

Manfred Jungwirth

Orchestre Symphonique De Paris

Lucerne Festival Orchestra

Robert Heger

Clifford Curzon

Ginette Neveu