Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Hansel and Gretel by Humperdinck, Sib 26 Diċ 2009, Minn (2009/2009), Immexxi minn Franziska Severin,, Surmast Direttur Stefan Blunier, Christopher Sprenger, Opernhaus, Bonn, Germany