♪ that saved a wretch like me >> that was such a powerful moment. i remember being there and live as it was happening, being on the air. what goes through your mind when you watch and you remember that day? >> man, it was -- it's a lot. so i had the honor of working with president obama. i left the white house, but they called me back in to help on that speech with him and cody keenan and others, and specifically on the part about grace and about faith. i'm an ame myself so i went down with my dad who is a pastor in the ame church and was friends with the pastor that was lost, so i was sitting right there behind the family and i knew he was going to talk about great. we had worked on that in the speech, but i did not know he was going to sing it. and, you know, we just all in that moment, sort of our spirits and our bodies rose to greet him