Mogens Schmidt Johansen

Helen Watts

Anna Moffo

Guillermo Sarabia

Jerzy Semkow

Gundula Janowitz

New Philharmonia Orchestra

Jon Vickers

Otto Klemperer

National Philharmonic Orchestra

London Symphony Orchestra

Jacques Offenbach

Giovanni Foiani

José van Dam

Benjamin Britten

Victor De Sabata

English Chamber Orchestra

Budapest Symphony Orchestra

Hector Berlioz

John Pritchard

Robert Lloyd

Richard Bonynge

Maxim Shostakovich

Jonel Perlea

Josef Greindl