 Kundry, however, was to be her defining role, singing it at every Bayreuth production from 1951–59 except for 1958, most famously in 1951, the year the festival re-opened, under Knappertsbusch, and in 1953, under Clemens Krauss.Furtwängler had engaged her to sing Brünnhilde for his studio recording of the "Ring", of which, due to his death in 1954, only "Die Walküre" was ever recorded.The conductor commented