Judges Luke Bryan, Lionel Richie and Katy Perry have seen and heard a lot over their many seasons working together as American Idol judges — but they’d never heard anything quite like Jennifer Jeffries. The high school-aged Idol hopeful from Mississippi auditioned with an original song called “Change My Ways” during the episode that aired on Sunday night (March 3). A segment leading up to her performance introduced viewers to her relationship with songwriting and her life as the youngest of nine siblings. Still, nothing could’ve prepared the audience watching from home for the voice that would…