Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Opera Rehearsal by Lortzing, Ħad 28 Ott 2012, Minn (2012/2012), Immexxi minn Barbara Esser, Jürgen Esser,, Surmast Direttur Eberhard Bäumler, Staatstheater, Darmstadt, Germany