Bengt Rundgren

Hugo Strasser Und Sein Tanzorchester

Peter Christoph Runge

The Sofia National Opera Orchestra

Orchestre National De L'ORTF

BBC Symphony Orchestra

Maija Lokka

Joseph Strobl

Anton Dermota

Willi Boskovsky

Jacques Fromental Halévy

José Todaro

Roberta Peters

Richard Angas

Byrne Camp Chorale

Zeger Vandersteene

Thomas Carey

Eric Ericson

Manuel De Falla

Willi Brokmeier

Guido Cantelli

Ladko Korošec

The Santa Fe Opera

Anna Reynolds

Franco Bornoni