Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Rhinegold by Wagner, Richard, Tli 23 Mej 2017, Minn (2016/2017), Immexxi minn Uwe Eric Laufenberg,, Surmast Direttur Alexander Joel, Grosses Haus (Wiesbaden), Wiesbaden, Germany