Most modern Hollywood films have musical "temp tracks" laid in as they're edited, usually classical standards or music from other soundtracks that helps shape the dramatic and emotional intentions of works in progress. Sometimes these temp tracks become the score (as in "2001"), but more often they serve as a template for the film's eventual scorer. That said, we'll boldly climb out on a limb and opine that director Ridley Scott was listening to a whole lot of Holst's The Planets as he was cobbling together his modern gladiator epic. Credit Hans Zimmer for taking "Mars, the Bringer of War" and... more