Opera in 3 acts; sung in German. Libretto by the composer. Compact discs (ADD). Duration: 3:49:14. Booklet (127 p. ; ports.) includes an essay by Wieland Wagner, synopsis, and libretto in English, French, German and Italian; inserted in container. Issue no.: 419 890-2--419 892-2 (3 discs). Wolfgang Windgassen ; Martti Talvela ; Birgit Nilsson ; Eberhard Wächter ; Claude Heater ; Christa Ludwig ; other soloists ; Orchestra and chorus of the Bayreuth Festival, Karl Böhm conducting. Recorded live at the 1966 Bayreuth Festival.