How this year's twist on Idol works
We now know how this year's twist on American Idol will work and how it will only benefit some of the singers.
The ``The Twist'' turns 50 years old.The singer who brought the dance craze to the world celebrated the milestone in Philadelphia today before about a thousand people at City Hall.Chubby Checker first performed the dance on American Bandstand and it took rock 'n roll to another level.The significance of the twist was that it allowed couples to dance without touching one another.