2011 marks the one hundredth anniversary of the birth of Robert Johnson. He has been called the "King of the Delta Blues Singers". Legend has it that he sold his soul to the Devil. It has been said that he faced away from his audience when he played certain licks on his guitar so that no one could copy his style. People claim that he died as a result of being poisoned by a jealous husband. but what of his music and its legacy?