T W A U ... The Chase....today's...
Film, Media & TV7 mins ago
No best answer has yet been selected by theleeroy55. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.It's unlikely, since this was written for the advert, though it may be available on one of those 'adverts sites' somewhere.
If you like the tune in general though, then the original "Big Bad John" that the advert is based on is a classic. Originally by jimmy Dean, there's also a decent enough version by Johnny Cash.
(Apologies if you already knew all this !)