Hanspeter Gmür

Daniel Barenboim

Het Volendams Opera Koor

New Philharmonia Orchestra

Chor der Deutschen Oper Berlin

Carl Maria von Weber

Helen Watts

Helen Donath

Wiener Volksopernorchester

Cathy Berberian

Michel Corboz

Erna Berger

Peter Schreier

Ludwig van Beethoven

Werner Hollweg

Ruggiero Leoncavallo

Mirella Freni

Claudio Abbado

National Philharmonic Orchestra

Joseph Haydn

Wiener Symphoniker

Gustav Holst

Lucia Popp

Sir John Barbirolli

Riccardo Muti