Strike Back is a British action and military television series, based on a novel of the same name by novelist and former Special Air Service (SAS) soldier Chris Ryan. The series follows the actions of Section 20, a secretive branch of the British Defense Intelligence service (DI), which operate several high risk, priority missions throughout the globe. The series is co-produced by Cinemax All of the score tracks were written and performed by Scott Shields. He is from Glasgow Scotland, and for a time was the drummer for the UK Rock band Gun. More recently he has become known as a composer of music for film and television with his work being seen on many hit Hollywood films such as Blackhawk Down, Mr. & Mrs. Smith, Stardust, the Young Victoria, Kickass and the Raven. The sound reflects the edgy kind of music that the heroes of the show would listen to, and gives a very contemporary feel to the series. Also, includes the show's theme song 'Short Change Hero' by the popular British rock group the Heavy.