Christmas music can be problematic. The shlock factor is so high, and everyone, it seems has to get into the act of cashing in with a holiday album. But as in any genre, there are good ones, bad ones, and plenty of mediocre ones. I find the jazzy ones to be the easiest to digest, if only because jazz is, at least these days, one of the least commercial styles of music we have, so you're more likely to hear something that's done for the music, and not just the money. For a tas