What is the name of the music used in the Chanel advert which features Nicole Kidman?

This is the advert that came around christmas time 2007.


I would like to know the name of the Piece and also the composer as i would like to buy it.

What is the name of the music used in the Chanel advert which features Nicole Kidman?
claude de bussy - clair de lune





one of the most beautiful pieces of music ever