The difference between the Beatles and what came before them is much wider than with the Beatles and 70s hard rock bands. I think we do not fully appreciate just how dark, heavy, violent, and sexual their sound and image was compared to the competition in the 1960s. Even the "good" rock 'n' roll that came before them that they were seeking to emulate and synthesize (e.g., rockabilly, classic Motown, Chuck Berry, etc.) was pretty far behind where they would have things by the get-go. Ringo is underrated in this -- he always played on the back half of the beat, which gave them a marvelously heavy sound that still comes through….