It hit that soft spot, the music matched the memory and emotion you were trying to display, try adding some simple color, or even better, touches of gray. I know after the boy goes back in time, and becomes a baby again and recognizes his Grandfather for the first time, there is not much you can do after that but you ended int almost on a lazy note. If you could have a last kick to it to make it really remediable it would be nice.