Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Hansel and Gretel by Humperdinck, Ħam 25 Nov 1999, Minn (1999/1999), Immexxi minn Steffen Tiggeler,, Surmast Direttur Andreas Delfs, Stephan Tetzlaff, Karl Prokopetz, Opernhaus, Hanover, Germany