Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Valkyrie by Wagner, Richard, Ħad 10 Nov 2013, Minn (2013/2014), Immexxi minn Dieter Dorn, Heinz Wanitschek,, Surmast Direttur Ingo Metzmacher, Grand-Théâtre, Geneva, Switzerland