A pediatric mental health nurse and father of six, Ketterer’s America’s Got Talent story began with Simon Cowell pressing the Golden Buzzer following Ketterer’s audition.
Michael Ketterer performed “The Courage to Love” a song written by Garth Brooks at Simon Cowell’s behest during his run on the NBC talent show.
During the first half of the finale, Ketterer performed “Ain’t No Mountain High Enough.”