1. Rock music with a hard, fast beat, good to play during activities involving shooting, such as Air-soft or Paintball
2. Music used in the gunbattles scenes of movies.
3. Music found in the Background or part of the soundtrack in primarily shooter movies,
Shooter Music Examples
~401 Kill, by Rise Against
~Kickstart my Heart by Motley Crue
~Shape of Things to come, by Audioslave