Tap Tap Tap

I found this today and was impressed by it!
http://www.joshhosler.biz/NumberOneInHistory/SelectMonth.htm

It tells you the Top 40 song on the day you were born! Do you really like your birthday song?
Mine is Total Eclipse of the Heart

Also I found this fascinating as well:

http://www.songtapper.com/
You Tap our the lyrics (what it calls beats) and it finds the song for you. It requires some practice but it did select "Total Eclipse of the Heart" when I put it in!