Question: Which of the four operas in the Wagner works, based loosely on characters from the Norse sagas and the "Nibelungenlied," is discography of "Götterdämmerung"?
Sentence (from "Der Ring des Nibelungen"): The composer termed the cycle a "Bühnenfestspiel" (stage festival play), structured in three days preceded by a " " ("preliminary evening").
Relevant evidence: No