Are you asking why developers choose more impactful music for Boss fights or how to make music intended for Boss fights?
Viewing post in Boss Battle Music
It's just a stylistic choice. There's an article on TV Tropes that may give you the answer you're looking for TV Tropes: Ominous Latin Chanting
Sorry if that came off as rude, I'm just genuinely confused. Does it have something to do with the device you're using, or do you just prefer title case? I noticed that you don't do it consistently either.
Edit: After looking through your post history I'm going to assume the title case thing is part of a bit. Carry on, I guess