In which area is composing for games different from composing for movies?

Video game soundtracks have become more and more advanced in the last few years, often requiring hours and hours of music that can be dynamically woven behind the action. But such orchestrations aren't just thrown together by developers - they often require experienced composers, drawing on experience from not only games but other forms of entertainment such as film and TV.

With the barriers between media fading away, producer Jeremy Borum has created both a book and documentary due for release later this month. Entitled Guerrilla Film Scoring, the product explores the evolution of the music and media industries.