NAME THAT TUNE
You have this tune in your head but you can't remember the name of the song. So you go to the Song Tapper website, tap it out using the spacebar on your computer, and the website gives you a list of potential songs.

In my experimentation it came up with about 75% of the songs I tapped in. Some of the results were totally hilarious. For instance, I tapped in the rhythm for "We've only just begun to live, white lace and promises..." It thought I was tapping "Louie, Louie."

This is a truly creative Internet application. (via)