Vincenzo Bettoni

Ruthilde Boesch

Wandsworth School Boys' Choir

Ľuba Baricová

Georges Gautier

La Lauzeta

Jules Barbier

Hedda Heusser

Der Günther-Arndt-Chor

Aimée Lecouvreur

Patricia Payne

Coro Lirico Polifonico Carlo Coccia

Adriana Martino

Heinrich Steiner

Dagmar Hermann

Federico Davià

Carl-Axel Hallgren

Brigitte Lindner

Isabelle Vernet

Renaud Delaigue

Alfredo Nobile

Rudolf Wagner-Régeny

Leonora Lafayette

Marinus Voorberg

Vilma Bukovec