Ivan Eröd

London Philharmonic Orchestra

Berliner Philharmoniker

Robert Shaw

Tomaso Albinoni

Tölzer Knabenchor

Ivan Rebroff

Gonzales

Charles Dutoit

Placido Domingo

Enrico Caruso

National Philharmonic Orchestra

The Philadelphia Orchestra

Gennadi Rozhdestvensky

Rudolf Schock

Leroy Anderson

Leonard Bernstein

Joseph Haydn

Marian Anderson

English Chamber Orchestra

Peter Schreier

Arthur Fiedler

The Royal Choral Society

Herbert von Karajan

Robert Stolz