A friend of mine in school told me about how he once went around singing "I Am The Walrus" to random kids in gym class and they all thought he was crazy!
P.S. Here's a video of Strawberry Fields Forever some guy made with various photographs and video clips!
Here's the link:
http://www.youtube.com /watch?v=J3jrWVp2L7U
note: when copying and pasting, make sure you delete the space between the "com" and the "/"