Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Der Klang der Offenbarung des Göttlichen by Kjartansson, Sib 15 Apr 2023, Minn (2023/2023), Immexxi minn Ragnar Kjartansson,, Surmast Direttur Christopher Schumann, Opernhaus, Stuttgart, Germany