When you think about the great music of science fiction, a few staples spring to mind — say, the theme from the classic Star Trek series, or John Williams' compositions for the Star Wars movies.
Nathan Johnson, the composer for the new time-travel thriller Looper, wanted to break with tradition. Instead of going for that slick, orchestral sound, he immersed himself in the world of the film to find his source material.
The words of the English poet William Blake still resonate 185 years after his death. Blake, who was also a painter and printmaker, wrote the famous lines, "Tyger! Tyger! burning bright / In the forests of the night."