Filmmaker Joerg Bundschuh's in-depth look at the life and career of blues legend John Lee Hooker receives expert help from an array of music greats -- including Carlos Santana, Eric Clapton and Bonnie Raitt -- and uses live footage to complement Hooker's moving rags-to-riches story. Included in this documentary are renditions of some of Hooker's classic songs, such as "Boom Boom," "Boogie Chillen" and others.