Homeless Korean Boy Sings Powerful Amazing Grace Who could forget Sung Bong Choi, the homeless Korean boy who stunned the judges with his jaw-dropping performance on Korea's Got Talent last year. His perseverance and humble spirit touched our hearts and we all rejoiced in his ability to overcome adversity. To make this story even more heartwarming, he recently performed Amazing Grace so beautifully at a Praise Charity Concert benefiting those less fortunate. His performance will bring tears of joy to your eyes!!