Anyway, dude. Listen to music that sounds good. That's it. I listen to just about everything if I like it, whether or not I think it's complex enough or not. And once again if we start debating about how difficult music is, every band metal (no matter the sub-genre) or not is just simplistic music compared to a Beethoven symphony so that whole argument is moot.
It took me about 6 months each to learn the bass and then guitar adequately enough to play most music. I took me 7 years before I was the principal clarinetist of an orchestra. One takes a bit more skill.