What is this piano piece from Billy Elliot?

The piano piece is played at the beginning of the link below. I really love it but can't figure out what it is. Thanks!



http://www.youtube.com/watch?v=nc9Txkal8bw%26amp;feature=player_embeddedWhat is this piano piece from Billy Elliot?
here's the soundtrack list......



http://www.imdb.com/title/tt0249462/soun鈥?/a>

google crome

minicar