Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Die Wahrheit einer Silvesternacht by Harneit, Tne 09 Jan 2023, Minn (2023/2023), Immexxi minn Mart van Berckel,, Surmast Direttur Johannes Harneit, Opera Stabile, Hamburg, Germany