American composer and multi-instrumentalist Roscoe Mitchell is a prolific musical polymath whose strategic approach to sound easily blurs the boundaries between creative jazz, contemporary classical music, and vanguard improvisation. His forays into free-time, non-tonal improvisation are as spontaneous, imaginative, and often emotionally riveting. An early member of Chicago's Association for the Advancement of Creative Musicians (AACM), and a co-founder of the Art Ensemble of Chicago, Mitchell's improvisations and musical conceptualism exercise extraordinary discipline, intell...