then just recently this year or last year.. i dont know..
theres this iphone application called 'i am T-Pain' which allows you to tune everything and make it sound like music...
yup, to people carrying an iphone, you should download this app cuz its SOOOO cool!
i dont have an iphone so... =(
but anyways... heres an example of how it will sound like after auto tuning..


i bet everyone has seen the famous 'charlie bit me' video