I played bass and sang it live and it was a challenge. Once I had it I had it but it took work.
LOL! I’ll probably never play it out anywhere but I will work on it here. My buddies are like E A B. Toss in a 4th chord and they get all sweaty. When I was still playing in Florida the band I was in used to end with this:
https://www.youtube.com/watch?v=F7_NAElaYR0&list=RDF7_NAElaYR0&index=1
Not exactly like McCartney but the fans loved it. LOL!