Dick Dale used to boast about how he was the father of heavy metal. However you may feel about that, it is the first type of music I can think of that really focused on aggression. That's a seed that germinated through subsequent loud musics that refactored back into surf. And here we are, recognizing instro music that wants to be fast, loud, and hit hard. These are groups that may not be trying to emotionally move you, but hopefully can set you in motion physically.
