I just found this (my thanks to news.Discovery.com for sharing it). I'm not in touch with pop music, so I'd never heard the Kelly Clarkson song that they used to make this music video. Let me give you Discovery's introduction to it:
What's stronger than a pop star singing about how she can overcome bad interpersonal relationships? Some strong children at the Seattle Children's Hospital singing about how they can overcome their relationship with what ails them.