"free music" moves into "rock music," in Russell's analysis "[f]rom the fringes of jazz [...] by a process of osmosis. Numerous zones of rupture can be identified in the period 1965-73"
see for instance the Velvet Underground's use of noise--Lou Reed (according to Russell) has "acknowledge[d] the priority of Cecil Taylor's influence over the squall of amplified guitar noise that followed"
the label ESP is "thoroughly representative of this moment of convergence" [...] the "'meeting' between jazz, rock, classical and folk musics is exemplified. The influence of free music is everywhere evident"