Composer-performer Julius Eastman (1940-90) was an enigma, both comfortable and uncomfortable in the many worlds he inhabited: black, white, gay, straight, classical music, disco, academia, and downtown New York. His music, insistent and straightforward, resists labels and seethes with a tension that resonates with musicians, scholars, and audiences today. Eastman's provocative titles, including Gay Guerrilla, Evil Nigger, Crazy Nigger, and others, assault us with his obsessions. Eastman tested limits with his political aggressiveness, as reflected in legendary scandals like his June 1975...