Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Twilight of the Gods by Wagner, Richard, Sib 26 Apr 2014, Minn (2014/2014), Immexxi minn Dieter Dorn, Heinz Wanitschek,, Surmast Direttur Ingo Metzmacher, Grand-Théâtre, Geneva, Switzerland