", a 'pan-demonium' for chansonnier and orchestra (or large ensemble) on poems from "allerleirausch", a collection of children's verse by his friend, the absurdist and Viennese-dialect poet H. C. Artmann, which he performed as singer around the world in the following few years.He and Schwertsik shared a 'Composers' Portrait' feature at the 1979 Berlin Festival, and Gruber has subsequently been ranked among Austria's leading composers.