The Beatles had wild discussions of a Let It Be climax live performance anywhere from the QE2 to the Pyramids, but in the end they decided on what became their infamous final gig - a surprise performance on the roof of the Apple Records building at Savile Row.
Don't Let Me Down
Get Back
This is a pretty good Rolling Stone article with some fun facts and info.
http://www.rollingstone.com/music/ne...-know-20160129