Watch on SFlix. Elvis Presley & Pat Boone were two of the hottest forces on the early rock ‘n’ roll music scene in the 1950’s. In this toe-tapping documentary, the good-nature chart-topping rivalry between the duo is explored through rare footage and newsreels. Interviews include Dick Clark, Tom Jones, Kenny Rogers, Glen Campbell, Phyllis McGuire, Bill Medley, Arlene Dahl, Joe Esposito, Shirley Jones and others.