Polly Graham, Artistic Director of Longborough Festival Opera, stages the UK Premiere of Wahnfried: The Birth of the Wagner Cult by Avner Dorman to a libretto by Lutz Hübner and Sarah Nemitz. Conducted by Justin Brown, who commissioned the opera as the Music Director of The Badisches Staatstheater Karlsruhe, the production features Susan Bullock as Cosima Wagner and Mark Le Brocq as Houston Stewart Chamberlain. Performances at Longborough are scheduled on May 27, 29, June 10, 12, and 14. Watch the trailer here.