 I want to be a rock star. Being a rock star is cool. You get to play really loud. Being loud is your job. If your child is sick over and over again, it could be PI, a defect in the immune system that affects millions. Early detection can give children a chance to dream. Jeffrey Modell Foundation. 25 years of helping children reach for their dreams. Visit us at info4pi.org or call 1-866-INFO4-PI.