Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
danube Festival Weeks in the Strudengau by Various, Ħad 07 Aww 2022, Minn (2022/2022), Immexxi minn Manuela Kloibmüller,, Surmast Direttur Michi Gaigg, Erich Traxler, Schloss Greinburg, Grein, Austria