Casualty: Theme tune

I don't know if you noticed but in the first ever episode of casualty in 2014 the theme tune changed here is a link to the new theme tune and the shows highlights from the winter 2013/14 shows. http://www.radiotimes.com/news/2013-12-27/casualty-listen-to-the-new-titles-music-and-view-the-latest-cast-photo