For one thing, what is a concept album, anyway? For another, here’s what Paul told a biographer about the Beatles’ mindset when making it: “We really hated that fucking four little mop-top boys approach. We were not boys, we were men. It was all gone, all that boy shit, all that screaming, we didn’t want any more. Plus, we’d now got turned on to pot and thought of ourselves as artists rather than just performers.”