Paul Finel

Chor der Deutschen Oper Berlin

Giangiacomo Guelfi

Artur Bodanzky

John Hauxvell

Robert Lauhöfer

Francisco Camprodón

Christa Ludwig

Claude Calès

Virgil Thomson

Virginia Zeani

Giuseppe di Stefano

The Sadler's Wells Opera Chorus

Hermann Prey

Silvio Varviso

Alain Lombard

Nicola Zaccaria

Lorin Maazel

Eileen Farrell

L'Orchestre De La Suisse Romande

Joe Attles

Luciano Pavarotti

Norberto Mola

Giorgio Tozzi

William Schuman