This 2012 Frankfurt Opera production of Richard Wagner’s second of four “Ring” operas, Die Walküre, features the Frankfurter Opern und Museumsorchester led by conductor Sebastian Weigle. The cast of singers includes Frank van Aken as Siegmund, Amber Wagner as Sieglinde, Susan Bullock as Brünnhilde, Terje Stensvold as Wotan, Ain Anger as Hunding and Martina Dike as Fricka. Mr. Weigle is the General Music Director of Frankfurt Opera, a position he’s held since 2008/9.