Doro Antonioli

Wilhelm Brückner-Rüggeberg

James Milligan

John Gutman

Lotte Lenya

Nicolae Herlea

Francisco Asenjo Barbieri

Heinz Rehfuss

Pierre-Michel Le Conte

Armando Aliberti

Борис Гмиря

Geraint Evans

Dino Martinelli And His Orchestra

Sadler's Wells Opera Company

Franco Corelli

Karl Kohn

Bayerisches Staatsorchester

Eleanor Steber

Chicago Symphony Orchestra

Elisabeth Carron

Gisela Vivarelli

Lieselotte Cloos

Albertus L. Meyers

The Festival Choir

Claudia Muzio