Pharrell has a HUGE hit on his hands with "Happy."  You just can't help being in a good mood when you hear it.  Well, it turns out someone wanted to change that.

A French artist named Woodkid remixed the song to sad music.

TO HEAR THE SONG CLICK HERE

It doesn't sound like it would work, but it does.  Woodkid has some experience working on music.  He's also worked on videos for Katy Perry, Lana Del Rey, and Drake.