No I don't run BA from Hoster - I do use a separate program that I paid alot for a few years back and I just let it run continuously in the background on a second audio card (the built in headphone jack) and manually mix it. Also have a separate player for customer dsics. I get so many customer discs throughout the week, i'd rather not use my computers drive.
I also have Windows Media Player playing behind Hoster with a slideshow of singers and fun times throughout the years.