I can't be browbeaten into submission but I can be cheered on to success. Things got a little better after that. Don't know if that will help you or not.
I know that exhausted feeling at the end of the day. Find some exercise every day. Go out and take a brisk walk. Sign up for a yoga class. It will help your spirit.
Your job is only 8-12 hours of your day. Turn it loose when you leave the band hall.