Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Countess Maritza by Kálmán, Ġim 17 Nov 2006, Minn (2006/2007), Immexxi minn Josef Ernst Köpplinger, Surmast Direttur Andreas Kowalewitz, Adrian Müller, Gärtnerplatztheater, Munich, Germany