While the Beatles were world-changing, Paul McCartney did a lot of great stuff since 1970. I'm not just saying this because he's been an outspoken vegetarian. Also, I know several people who have seen him in concert and say it was amazing.
Band on the Run
Full "Fireman: Electric Arguments" album here. Good luck to you (and me) to do anything 1% as creative at age 66! (Back in 2008)