10 things you didn't know about Purple Rain;
http://nypost.com/2014/07/26/10-thin...t-purple-rain/
9. The eight-minute title track of the film and album was originally even longer — and Prince initially requested that his friend Stevie Nicks write the lyrics for it. The Fleetwood Mac singer declined his offer, saying that she found the track too “overwhelming” and let him finish it. Great decision, Stevie