I'd say you could imitate what you hear in anime, but then you'll just be called Seiyuu-san.
It's not just Japanese, it's also Korean, Latin and Chinese too.
Occasionally I try to imitate what I hear in anime and shows, as well as other people, but then people make fun of me ;_;
No genre in particular, but I'll sing almost anything that is Japanese.
I'm jealous you can even sing, why do I have such trouble speaking languages ;_;
Oh and is it okay I call you CS? Calling you Cynical feels like I'm calling you... cynical...