This app may be the greatest development in opera since Elmer Fudd's maniacally shrieking "KILL THE WABBIT!" That landmark performance more than 50 years ago squeezed Wagner's 17-hour "Der Ring des Nibelungen" ("The Ring Cycle") into seven minutes, according to Bugs himself. Actually, it's even more impressive than that since key elements of Tannhäuser  and other works by Wagner are thrown in... more.