You sway from side to side. Your feet are tapping on the floor and your head is bobbing to the beat. What tunes are playing and who is it that makes you dance like there is no tomorrow? That's right, it's your man Ne-Yo. Right now he has an exclusive MP3 single that you can download for free. To start, you can go to this website and check out the YouTube video of his live performance on the David Letterman Show. Then if you decide to get the track, just follow the info on his webpage on what to do next. Of course, if you are true NeYo fan, you know you want to add this to your collection as soon as possible. The download is quick and easy. Plus, if you download the free tune before 3/31/10, Alfani will make a $1 donation to the Respect! Campaign. So not only will you gain a free MP3, you'll also be doing some good for the world.