Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Grand Duchess of Gerolstein by Offenbach, Ħam 06 Apr 2017, Minn (2017/2017), Immexxi minn Pierre Thirion-Vallet,, Surmast Direttur Amaury du Closel, Opéra-Théâtre, Clermont-Ferrand, France