As to old Rockers, Welshman Dace Edmunds understands Rock ’n Roll as few do. A listen to his incredible 1970 re-imagining of the old Smiley Lewis Blues "I Hear You Knocking" will explain it all.
Lots of Rockers think the music is about the release of energy (a prime example being The Who’s butchering of "Summertime Blues" and "Shakin’ All Over". Daltry’s hoary vocals are unbearable.). Dave’s "IHYK" displays how if you first create an almost unbearable degree of tension, it’s release is much more, ahem, satisfying.
The "Moral Majority" whites in the 1950’s South understood how sexual the new music was, and didn’t want their children listening to no vulgar n*gg*r music. Elvis has been accused of "appropriating" (stealing) black music, which is an over-simplification. His five Sun singles (which witnessed the creation of Rockabilly) had a Blues on one side, a Hillbilly on the other. That was the other reason early Rock ’n’ Roll was banned: it encouraged, promoted even, integration.
The Dave Edmunds Band live in the 1980’s was the best Rock ’n’ Roll I’ve ever seen and heard. Even better than Rockpile, and that’s really saying something. And yes, I saw The Who with Keith Moon live. Twice. And Hendrix. And Cream. And The Stones. And The Dead. And The damn Beatles.