This March 30, 2012 photo provided by the Metropolitan Opera shows a scene from Wagner's, "Das Rheingold," during a dress rehearsal at the Metropolitan Opera in New York. On May 12 the Met concludes ... more 

This March 30, 2012 photo provided by the Metropolitan Opera shows a scene from Wagner's, "Das Rheingold," during a dress rehearsal at the Metropolitan Opera in New York. On May 12 the Met concludes the last of three complete presentations of Robert Lepage's production of the four-opera Ring Cycle, which includes Das Rheingold; Die Walkure; Siegfried and Gotterdämmerung. (AP Photo/The Metropolitan Opera, Ken Howard) less