The documentary "Ray Charles: The Genius of Soul" is part of the PBS series  American Masters" Having premiered on Wednesday, May 18, at 9 p.m. ET, it follows the Grammy Award winning artist's life from his childhood through his career, taking a look at his musical influences and the creation of his distinctive style. The film examines the singer's dark side as well as his delightful side, exploring his 15-year heroin addiction and his pursuit of women, but also his chess playing with Willie Nelson, his joking onstage with Johnny Carson and his relationship with his lifelong friend Quincy Jones.