David Johnston was a contestant on Season 10 of American Idol. Audition[edit | edit source] David auditioned in San Francisco. He sang "Stand By Me" by Ben E. King. He was eliminated at this stage of the competition. Retrieved from "https://americanidol.fandom.com/wiki/David_Johnston?oldid=24622" Categories: Contestants Season 10 contestants Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.