AACM is a tag applied to musicians connected to the Association for the Advancement of Creative Musicians (AACM). The AACM is a non-profit organization, founded in Chicago, Illinois, United States, by pianist/composer Muhal Richard Abrams, pianist Jodie Christian, drummer Steve McCall, and composer Phil Cohran. The AACM is devoted "to nurturing, performing, and recording serious, original music," according to their charter. They support and encourage jazz performers, composers and educators. Read more on Last.fm.