A stupendous cast of great Wagnerian voices electrifies this performance soprano Birgit Nilsson sings the title Valkyrie, Brünnhilde, with baritone Thomas Stewart (Wotan), soprano Leonie Rysanek (Sieglinde), tenor Jon Vickers (Siegmund), mezzo-soprano Christa Ludwig (Fricka) and bass Karl Ridderbusch (Hunding). Berislav Klobucar conducts the Metropolitan Opera Orchestra in this second chapter in Wagner s Der Ring des Nibelungen epic. 3 CDs taken from the February 24, 1968 broadcast