Rule: Same as always. (This isn't very specific, isn't it?) Using the WASD keys can control the volume (after intro); -W and S control the volume, increasing/decreasing volume. -A and D control the volume, muting/unmuting the music. Don't click the screen. It won't matter even if you do it.
Well, First and foremost, the intro music was cut from this video: (https://www.youtube.com/watch?v=tBMNgCSsQdg) I don't know what I was doing while making this. I mean, I was tired when making this. You know, Gracilynn made this-I just leeched off of it, ya know?