Biography: From Wikipedia, the free encyclopedia Peter Eric Zizzo is a music producer, musician and BMI award-winning songwriter. Zizzo has authored hits for artists such as Celine Dion, O.A.R, Jason Mraz, Jennifer Lopez, Donna Summer, Diana Ross, Sir Cliff Richard, Clay Aiken, and Howie Day. He has been considered instrumental in developing the careers of several artists, including Avril Lavigne, and Vanessa Carlton. Description above from the Wikipedia article Peter Zizzo, licensed under CC-BY-SA, full list of contributors on Wikipedia.