On American Idol, John Foster showcased his original song, “Tell That Angel I Love Her,” paying a heartfelt tribute to his two late friends, Maggie Dunn and Caroline Gill.

Foster’s Song “Tell That Angel I Love Her” Was Written For Two Friends He Lost

John Foster, a Louisiana native and LSU student studying biology, wants to pursue pre-med to help those undergoing cancer treatment.

During his first audition on the American Idol stage, he expressed his ambition to become a “singing oncologist.”

He charmed the judges with a classic Conway Twitty song, and Luke turned his initial “no” into a resounding “yes” because of the young singer’s infectious personality and Southern charm.