New York City Opera

Jevgēņija Ļisicina

American Opera Society Orchestra

Эвелина Стоицева

Aris Christofellis

Hilde Hildebrand

David Ward

Enzo Sordello

Samuel Krachmalnick

Arve Tellefsen

Jean Hubeau

Franz Lehrndorfer

The Jacques Orchestra

Giuseppe Tartini

Orchestre De Lyon

Lionel Friend

Orkiestra Państwowej Opery Im. Stanisława Moniuszki W Poznaniu

Branimir Slokar

Boris Asafiev

Gordon Jacob

National Orchestra

Coros Cantores De Madrid

Alberto Paoletti

Solistenvereinigung des Berliner Rundfunks

Rued Langgaard