Karl Roberts was a contestant on Season 4 of American Idol. Audition[edit | edit source] Karl auditioned in Las Vegas. He sang "Superfreak" by Rick James. He was eliminated at this stage of the competition. Retrieved from "https://americanidol.fandom.com/wiki/Karl_Roberts?oldid=28246" Categories: Contestants Season 4 contestants Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.