“To some commentators, the Dusseldorf Tannhauser was a stretch: the opera is set in the Middle Ages and based on a ballad about a bard called Tannhäuser. Yet the intention of the director, Burkhard Kosminski, had a logic that many could understand. In the month of Wagner’s bicentennial, he wanted to link the opera to the Holocaust – an event which the composer’s own ardent anti-Semitism seemed to presage.”