Cool little site if you're bored. If you have a song stuck in your head and you dont know the name of, you can hum the tune into your microphone for ten seconds and then those who listen to it can name the song if they know it. Some people are intentionally annoyining but some are pretty amusing. I am actually going to hum a tune next time I don't know the name to one.
http://www.namemytune.com/nmt.asp
http://www.namemytune.com/