Can you comment my piano video on youtube?

http://www.youtube.com/user/SimonLoOo My sister playing the piano lol. She keep saying '' That no good'' and loads of bad stuff. But i think it brilliant, what do you think? Please don't be mean she is only 14 but acts like a 6 year old! AWWW :) Also if you like it Subrible and Rate =) ENJOY!