50 Years On, Association for Advancement of Creative Musicians Influences Jazz

From NYTimes.com:

Muhal Richard Abrams, the restlessly inventive pianist and composer, is a next-step thinker, not the type to rhapsodize about the past. But he has lately found cause to reflect on a time, 50 years ago on the South Side of Chicago, when he began to mobilize his peers in pursuit of originality and self-determination, ending up with a collective called the Association for the Advancement of Creative Musicians.