Elijah Wald is a musician and writer who has toured on five continents and written thousands of articles for newspapers, magazines, and album notes. His ten published books include Escaping the Delta: Robert Johnson and the Invention of the Blues, How the Beatles Destroyed Rock 'n' Roll: An Alternative History of American Popular Music, and The Blues: A Very Short Introduction. He has taught blues history at UCLA and won multiple awards, including a 2002 Grammy.