Gil Evans was once described by Miles Davis as "the greatest musician in the world," yet he has remained one of the least known and most underrated innovators in jazz. Revered by generations of musicians, Evans created a unique sound, drawing from such diverse inspirations as Duke Ellington, Claude Debussy, Charlie Parker, Cecil Taylor, and Jimi Hendrix. Best known for his collaboration with Miles Davis on albums such as Birth of the Cool and Sketches of Spain, Gil Evans secured a crucial place in the history of modern jazz with his stunning orchestral arrangements. Now Evans's...