Searching for the right sounds to capture the feel of the undead creeping ever closer, the composer has incorporated a variety of non-traditional string techniques, including playing behind the bridge, glissando, and instrument body knocks. Creepy sounds from a few percussion instruments, including flexitone, are added to the sound mix and layered onto an insistent rock groove to form a scarily colorful, memorable string orchestra production. These "Zombie Intruders" are hard to deny!