Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Montezuma, Fallender Adler by Lang, Bernhard, Ġim 09 Apr 2010, Minn (2010/2010), Immexxi minn Peter Missotten,, Surmast Direttur Walter Nußbaum, Nationaltheater, Mannheim, Germany