This compositional variety is mediated by a highly redundant set structure, a second-order all-combinatorial set; each set form is hexachordally equivalent to or totally disjunct from fifteen other set forms, so that one-third of all the available set forms belong to a collection of sets which are hexachordally aggregate forming, that is, hexachordally identical.
I wanted to create a labyrinth which would somehow help to prevent a compositional idea from establishing itself all too quickly. I had the idea of working on all the walls pretty well at the same time,as if they were one large painting completely surrounding me. By constantly wandering in the labyrinth I sought to realise a form of “de-composition”
...in serial music, the series itself is seldom audible... What I'm interested in is a compositional process and a sounding music that are one in the same thing.steve reich