Beyond Reason relates Wagner’s works to the philosophical and cultural ideas of his time, centering on the four music dramas he created in the second half of his career: Der Ring des Nibelungen, Tristan und Isolde, Die Meistersinger von Nürnberg, and Parsifal. Karol Berger seeks to penetrate the “secret” of large-scale form in Wagner’s music dramas and to answer those critics, most prominently...