Complex sentence: He worked with them to create music meant to enhance the mood of the film, but also added a modern ambient musical touch to the original pieces, producing a musical work that has influenced many musicians in the years since its release.
Split into simpler sentences: He worked with them to create a soundtrack meant to enhance the mood of the film. However, he added a modern ambient musical touch to the original pieces, producing a musical work that has influenced many musicians in the years since its release.