Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Siegfried, der kleine Drachenöter by Siebert, Ħad 07 Apr 2019, Minn (2019/2019), Immexxi minn Mario Pavle del Monaco, Surmast Direttur Adrian Sieber, Mainfranken Theater, Würzburg, Germany