For far too long, folk-jazz mystic Terry Callier was the exclusive province of a fierce but small cult following; a singer/songwriter whose cathartic, deeply spiritual music defied simple genre categorization, he went all but unknown for decades, finally beginning to earn the recognition long due him after his rediscovery during the early '90s. Born in Chicago's North Side -- also home to Curtis Mayfield, Jerry Butler, and Ramsey Lewis -- and raised in the area of the notorious Cabrini Green housing projects, Callier began studying the piano at the age of three, writing his fi...