Rainer Scholze

Robert Merrill

The Vienna Strauss Orchestra

Stoyan Angelov

Lucia Valentini Terrani

Yumiko Samejima

John Shirley-Quirk

Luisa Tetrazzini

Nelly Miricioiu

Peter Warlock

Oskar Morawetz

Barbara Briščik

Carlo Felice Cillario

Münchner Philharmoniker

Alfonso Antoniozzi

Kenneth Schermerhorn

Hideko Udagawa

Dresdner Kreuzchor

Gillian Fisher

Frank Peter Zimmermann

Françoise Pollet

Charles Workman

Reginald Goodall

Camerata Bern

Mario Malagnini