Never owned a BP, I got some questions

[meowmeowkazoo]

http://www.google.ca/imgres?q=ball+p...0&tx=126&ty=52

That's mites.

Their hearing isn't too great, they wouldn't be bothered by any noise.

I disagree; I believe the vibrations from loud music could be stressful to them. But I don't know if there is any scientific evidence one way or another.