Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Valkyrie by Wagner, Richard, Ġim 21 Aww 2009, Minn (2009/2009), Immexxi minn Tankred Dorst,, Surmast Direttur Christian Thielemann, Richard-Wagner-Festspielhaus, Bayreuth, Germany