Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Grand Duchess of Gerolstein by Offenbach, Sib 28 Ġun 2003, Minn (2003/2003), Immexxi minn Jürgen Flimm,, Surmast Direttur Nikolaus Harnoncourt, Helmut-List-Halle, Graz, Austria