バイロイト祝祭劇場
' (The Valkyrie""'), WWV 86B, is the second of the four music dramas that constitute Richard Wagner's "Der Ring des Nibelungen," (English: "The Ring of the Nibelung"). It was performed, as a single opera, at the National Theatre Munich on 26 June 1870, and received its first performance as part of the "Ring" cycle at the Bayreuth Festspielhaus on 14 August 1876.