also learned about other important tidbits of rock mythology from Davis: Robert Johnson’s fateful deal with the devil for his own musical immortality at “the crossroads” back in the 1930s; the evil magnetism of early-twentieth-century writer Aleister Crowley, the self-proclaimed “wickedest man in the world,” who inspired Jimmy Page as well as Mick Jagger, David Bowie, and the members of Black Sabbath; and the mind-warping powers of “backward-masking” evil subliminal messages into rock songs.