She sang Eva in Wagner 's Die Meistersinger von NÃ 1\/4 rnberg at the Bayreuth Festival in 1952 , but she did not like the atmosphere there with all the arguments , so she never returned to Bayreuth . She sang Eva with pleasure in Wagner 's Die Meistersinger von NÃ 1\/4 rnberg at the Bayreuth Festival in 1952 , but she was never to sing the Bayreuth Festival again , preferring the summer Salzburg Festival .