Prelude and act 1 from the opera "Götterdämmerung" ("Twilight of the Gods") WWV 86D Prelude and act 1 from the opera "Götterdämmerung" ("Twilight of the Gods") WWV 86D Main opus "Götterdämmerung" ("Twilight of the Gods"), opera in a prelude and 3 acts, libretto by the composer WWV 86D