It’s hard for younger audiences to understand what a truly subversive figure Elvis Presley was in the 1950’s. Throughout the 1960’s he made safe, sanitized films that seem quite tame today, and his later Las Vegas persona has been parodied to death (and indeed, Presley became a parody of himself in the 70’s). But back in the day, Elvis was the original punk rocker, his gyrating hips and perpetual sneer causing quite a scandal among adults brought up on sedate Bing Crosby-type crooners. Teenagers were attracted to this new, rebellious musical style, and Presley became their King. Hits like “Heartbreak Hotel”, “Hound Dog”, and “All Shook Up” topped the charts, and a plethora of rock’n’roll artists jumped on the bandwagon. Elvis had already done two films by the time JAILHOUSE ROCK was released, a triumph of punk attitude about a convict’s rise to the top of the music heap.

Young hothead Vince Everett (Elvis) kills a…