The life (1912?1988) and career of Gil Evans paralleled and often foreshadowed the quickly changing world of jazz through the 20th century. Gil Evans: Out of the Cool is the comprehensive biography of a self-taught musician whom colleagues often regarded as a mentor. His innovative work as a composer, arranger, and bandleader?for Miles Davis, with whom he frequently collaborated over the course of four decades, and for his own ensembles?places him alongside Duke Ellington and Aaron Copland as one of the giants of American music. His unflagging creativity galvanized the most promine