Louis Cantor illuminates Phillips's role in turning a huge white audience on to previously forbidden race music. Phillips's zeal for rhythm and blues legitimized the sound and set the stage for both Elvis's subsequent success and the rock 'n' roll revolution of the 1950s. Using personal interviews, documentary sources, and oral history collections, Cantor presents a personal view of the disc jockey while restoring Phillips's place as an essential figure in rock 'n' roll history.