Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Valkyrie by Wagner, Richard, Tli 21 Aww 2007, Minn (2007/2007), Immexxi minn Tankred Dorst,, Surmast Direttur Christian Thielemann, Richard-Wagner-Festspielhaus, Bayreuth, Germany