So music like Yuki Kajiura - I talk to the Rain, where it has vocals but they are not any language we know of. and songs like heart and courage
For example (while not necessary true) I'have heard that Stratocasters are good for metal, or that semi-hollows are for blues. I quess that you can play anything with anything but are there some norms?...
This question might appear really weird, but still I ended up asking me this. Every genre of music as we know today comes from some previous genre (as an evolution, a combination of two different ...