Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Hansel and Gretel by Humperdinck, Ġim 23 Nov 2018, Minn (2018/2018), Immexxi minn Franziska Severin, Mark Daniel Hirsch,, Surmast Direttur Daniel Mayr, Hermes Helfricht, Opernhaus, Bonn, Germany