Versatility has characterized the career of Ari Brown, a Chicago-based reedman and occasional pianist who plays hard bop and post-bop as convincingly as he plays avant-garde jazz. After growing up on the city's South Side and graduating from high school in the early '60s, Brown attended Chicago's Wilson College, where he met Jack DeJohnette, Henry Threadgill, Roscoe Mitchell, Joseph Jarman, and others who would later become members of the Association for the Advancement of Creative Musicians (AACM). Brown played piano in mostly soul and blues bands until 1965, when he took up ...