Ok, so I was reading the metal that has influences from blues, and it then clicked inside my head. Almost every band from every genre has influences from a non metal genre. The only genre I can think of that doesn't have much of an outside of metal influence is Old school death metal. It seem to have the least non metal influences. Even then they still do. Because of obvious indirect influence.
I figured the two most non metal influences, and music in metal is
Classical
The Blues
Punk
Rock
Jazz
Folk
Of coarse, sometimes the influence can be less then others. Like Atheist has an obvious Jazz influence in their music. While, others have little non metal influence.
I figured the two most non metal influences, and music in metal is
Classical
The Blues
Punk
Rock
Jazz
Folk
Of coarse, sometimes the influence can be less then others. Like Atheist has an obvious Jazz influence in their music. While, others have little non metal influence.