Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
The Twilight of the Gods by Wagner, Richard, Ħam 24 Ġun 1999, Minn (1999/1999), Immexxi minn Nikolaus Lehnhoff, Andrei Serban,, Surmast Direttur Donald Runnicles, Michael Boder, War Memorial Opera House, San Francisco, United States