Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Land of Smiles by Lehár, Sib 10 Jan 1998, Minn (1997/1998), Immexxi minn Bernd Jeschek,, Surmast Direttur Marco de Prosperis, Peter Schmelzer, Heimo Smola, Opernhaus Graz, Graz, Austria