From America's deep South, to Detroit and New York this captivating and enlightening documentary special traces the evolution of blues through pivotal moments in American history. Brewer discovers that there was no music called 'the blues' when its creators just stepped into a new feel of musical expressionism… just a means of releasing a lifetime of pain and oppression, from which music, momentarily, set them free.

Ex-singer of the group The Animals and figurehead of English rock, Eric Burdon talks about his greatest successes, his empty periods and his political commitments.