"Don't Let Me Down" by the Beatles (with slight modifications to the lyrics).
I found an OUTSTANDING video of the Beatles playing the above song, live on a rooftop! If you like the Beatles, and particularly John Lennon, you might love this video. I know that the band U2 did a similar rooftop live concert a few years back. Maybe they copied that idea from the Beatles? Here's the video:
Over 250,000,000 views! Two of which are mine. I had to watch it twice.