Pain Pus & Poison

The Michael Mosley programmes on BBC "Pain Pus Poison"
In the episode "Pus".
At the end - the last 2 minutes there is some /epic/ style music.
Does anyone know what it is?
I can not get it out of my head.

http://www.bbc.co.uk/iplayer/episode...Medicines_Pus/

Here's a link that works in the US.