Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Viktoria and her Hussar by Abraham, Ħad 19 Ġun 2016, Minn (2016/2016), Immexxi minn Josef Ernst Köpplinger,, Surmast Direttur Michael Brandstätter, Prinzregententheater, Munich, Germany