John Lee Hooker was the king of the endless boogie, a globally cherished bluesman whose droning, hypnotic, one-chord grooves were driving, primitive, and timeless. During a 50-year career, he melded regional sounds from the Delta, Detroit, and Chicago in a trademark, oft-imitated approach. From the late 1940s until 1969, he cut more than 100 singles for labels such as Modern, Chess, Federal, Atco, and Vee-Jay, including hits such as "I'm in the Mood," "Hobo Blues," "Boogie Chillen," "Crawling Kingsnake," and "Boom Boom." In 1966 he resurrected and reinvented the '50s R&B hit "...