Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Sleepwalker by Bellini, Minn (2008/2008), Immexxi minn Anna-Sophie Mahler,, Surmast Direttur Franco Trinca, Harald Siegel, Moritz Caffier, Stadttheater Biel, Biel/Bienne, Switzerland