You might not notice it immediately, but music adds layers of richness to the visual experience of a movie, and it enhances the storytelling by increasing emotions or tension in a scene. Music is a big part of a movie or a theatrical experience. In this science activity, you will investigate what goes into the composition of a perfect creepy soundtrack. One of the things that makes a haunted house or a mysterious movie so eerie is the soundtrack that goes along with it-all the noises orchestrated to raise the hair on your arms, make you shiver and leave you with little doubt that there are things unknown lurking about. Do you enjoy watching scary movies at Halloween, or going to haunted houses? In whatever way you might want to have a thrilling experience this time of year, spooky sounds and music will likely play an important part.