Song I heard on the BBC on iTunes

So, I was listening to Mike Harding's Show on the BBC the other day, and heard a song I liked. Mike Harding's Show is a folk music show. The song was a Steve Earl/Shannon Sharon with Galway Girl. Usually I have little luck finding these songs on iTunes, since many of them are
by independent artists and therefore Apple may not have negotiated whatever agreement with them. I was able to find the song, and download it, without having to buy the whole album. Here's a link to it on iTunes, if you are interested. Note that you will need iTunes to view the link.