This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!
T-Mobile Sing-along
The exclusive 4 minute extended version of the moment 13,500 people spontaneously sang Hey Jude together in Trafalgar Square. Everyone involved arrived thinking they could be dancing - no-one had any idea how the event would unfold.
