“American Idol” returns to ABC on Sunday, February 18, but they’ve already released the audition of McIntosh, Alabama native Triston Harper. The 15-year-old country singer auditioned for judges Katy Perry, Luke Bryan and Lionel Richie in Lionel’s hometown of Tuskegee. Check out his full audition below.Matt (‘Next Level Chef’) exit interview: ‘I’ve never made a salmon smashburger before!’ [WATCH] SEE ‘American Idol’ 2024 sneak peek: Katy Perry bursts into tears when adopted contestant is surprised with birth family [WATCH] The teenager says he’s been through a lot in life, and his intro package describes his proud heritage as a Choctaw Indian. Things haven’t…