A Power Stronger Than ItselfFounded in 1965 and still active today, the Association for the Advancement of Creative Musicians (AACM) is an American institution with an international reputation. George E. Lewis, who joined the collective as a teenager in 1971, establishes the full importance and vitality of the AACM with this communal history, written with a symphonic sweep that draws on a cross generational chorus of voices and a rich collection of rare images. Moving from