The American pianist and composer Muhal Richard Abrams (1930), part 9. He’s mainly active in Chicago and founder of the Association for the Advancement of Creative Musicians (AACM). Recordings from 1989-1991 in various compositions.
Sources:
01. Muhal Richard Abrams Orchestra – The Hearinga Suite
Black Saint 120103-2 (CD, I)
02. Roscoe Mitchell & Muhal Richard Abrams – Duets & Solos
Black Saint 120133-2 (CD, I)
03. Muhal Richard Abrams Orchestra – Blu Blu Blu
Black Saint 120117-2 (CD, I)
04. Marty Ehrlich and The Dark Woods Ensemble – Emergency Peace
New World/CounterCurrents 80409-2 (CD, US)
05. Muhal Richard Abrams – Familytalk
Black Saint 120132-2 (CD, I)