T-Pain, Cher, heck, most of the new artists these days use auto-tune, some over use it. With technology it isn't so much of a question of, "do we need to do it?" and more of "why aren't we doing it!?" Well, if you're looking for an easy way to add auto-tune to your vocal tracks, or your voice in recordings, and are looking to spend the fantastic price of FREE then check out this video! You will learn what programs you will need to download (Audacity, Audacity VST, ect.) and then how to set your auto-tune in the Audacity interface.