I think you should listen to this young woman. The music is beautiful and moving and really quite amazing. What always amazes me (in not such a good way) is the need in others to criticize instead of celebrate wonder. I decided to post the following comment on the Youtube site...in case it's too far down the list when you see this, here's my contribution. I hope I recieve hate mail!
"Loser prima donnas. Her talent is amazing and the piece is amazing. Appreciate it for what it is and keep your criticisms to yourself. Didn't your mothers ever tell you that if you don't have anything nice to say, don't say anything at all?"