. >>> e manumanuel. emmanuel. >> this boy was essentially left to die.e was bad with deformations that experts say are due to chemical weapons his mother was exposed to in iraq. he was adopted by a social worker in australia. but let's fast forward many years. you may recognize him in this video from x-factor australia. >> what's your name? >> emmanuel. >> this went viral. >> what are you going to sing? >> i'm going to sing "imagine" by john legend. >> then this beautiful voice starts singing these lyrics. ♪ imagine all the people living life in peace ♪ >> that was the beginning of an amazing future for emmanuel. millions of views on that video alone. eventually -- >> we thought we would do something special for the very special man. >> is that chris martin? once he's creating a name for himself, "coldplay" went to australia and his mother is there. >> thank you for being here. >> this was a huge surprise that they have planned for her. ♪ ma'imagine there's no heaven ♪ >> on stage is emmanuel singing on stage with chris martin. the best moment was when h