Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Countess Maritza by Kálmán, Ġim 04 Mej 2007, Minn (2006/2007), Immexxi minn Josef Ernst Köpplinger,, Surmast Direttur Andreas Kowalewitz, Adrian Müller, Gärtnerplatztheater, Munich, Germany