Cosmic posted this reply earlier: 'Lever Faberge were contacted as the makers of Lynx Dry and their response was as follows: - "Thank you for your recent enquiry concerning the music used in our latest Lynx Dry advertisement. As this music was produced internally within our company specifically for the advert, we have no current plans to release it for sale." '
And/ or, it seems there is a similar song from the Beastie Boys.. but this is not it.