No Whickerman, it's not but thanks for your answer! Its like a really dramatic instrumental piece of music!! That builds and builds!!
Dunno if that helps anyone!! It's bugging me so much!!!!
I got it, i got it!! If I'd have googled it first then I wouldn't have had to bother you all!!
It's called In The House-in A Heartbeat and it was used at the end of 28 Days Later and in a recent Peugeot advert!!!