Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Grand Duchess of Gerolstein by Offenbach, Ħad 10 Diċ 2017, Minn (2017/2017), Immexxi minn Pierre Thirion-Vallet,, Surmast Direttur Amaury du Closel, Archipel, Perpignan, France