Snakes can't hear (or not very well at least) so music's not a problem. Bright lights on 24/7 could be an issue, as they're nocturnal, and you should try to avoid burning incense or using smelly spray, or other things that smell that you burn (sage, etc.). Snakes have a very primitive respiratory system, with really only one lung, so it's easy for them to get a respiratory infection.
As for the other question, I have no idea. /shrugs
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