 At least three writers have gone so far as to argue that one of the Darmstadt avant-garde composers against whom the New Simplicity was ostensibly rebelling, Karlheinz Stockhausen, had anticipated their position through a radical simplification of his style accomplished between 1966 and 1975, which culminated in his "Tierkreis" melodies (; ; ).Another writer finds Rihm's inclusive aesthetic better viewed as "an expansion of constructivist concerns ..