kühr composed in 1997/99 the opera "tod und teufel" (death and devil) on a libretto of peter turrini on a commission of the theater graz and the festival on the occasion of the centennial of the opera house. kühr composed the opera "agleia federweiß" in 2000/01 on a libretto of petra ernst, commissioned by the jugendmusikfest deutschlandsberg, a music festival for young people founded by henze as part of the festival steirischer herbst.