Wagner : Die Walkure / Billy, Polaski, Watson 2008 [DVD] Singers: Richard Berkeley-Steele, Deborah Polaski, Linda Watson, Falk Struckmann, Eric Halfvarson, Lioba Braun Conductor: Bertrand de Billy Orchestra: Orchestra of the Gran Teatre del Liceu Stage Director: Harry Kupfer https://www.amazon.com/Wagner-Walkure-Gran-Teatre-Liceu/dp/B00265T7PG