Swedish soprano Katarina Dalayman as Isolde (C) performs under the direction of renowned maestro Daniel Barenboim in Richard Wagner's 'Tristan und Isolde' during a dress rehearsal at New York's Metropolitan Opera on November 25, 2008. Barenboim will conduct at the Met for the first time in his illustrious career on November 28, leading an acclaimed cast in Wagner's master opus of transcendent love, Tristan und Isolde. Singing the title roles for the first time with the company are Swedish soprano Katarina Dalayman and German heldentenor Peter Seiffert. Getty Images logo Getty Images 12 months ago

Swedish soprano Katarina Dalayman as Isolde (C) performs under the direction of renowned maestro Daniel Barenboim in Richard Wagner's 'Tristan und Isolde' during a dress rehearsal at New York's Metropolitan Opera on November 25, 2008. Barenboim will conduct at the Met for the first time in his illustrious career on November 28, leading an acclaimed cast in Wagner's master opus of transcendent love, Tristan und Isolde. Singing the title roles for the first time with the company are Swedish soprano Katarina Dalayman and German heldentenor Peter Seiffert.