Had to look for it. Twist and Shout.
You're a better man than I, reb. I thought it was "You Can't Do That." What was I thinking? Just on context alone, it had to be Twist and Shout.
I read the 800+ biography written by Philip Norman...my daughter gave it to me as a Christmas present. After reading it, John remained my favorite Beatle, though he was a real SOB the vast majority of the time.
I've learned over the years to appreciate music for what it is, without getting wrapped up in the politics of a particular artist.