Opera Roars Back With Dueling Wagner Premieres. Opera, Tristan und Isolde (Opera), Bavarian State Opera, Harteros, Anja, Kaufmann, Jonas, Petrenko, Kirill (1972- ), Rattle, Simon, Skelton, Stuart (1968- ), Stemme, Nina, Stone, Simon (1984- ), Warlikowski, Krzysztof, Wagner, Richard