This is not done yet, and has a couple of bum notes, etc, etc, but I'm going on vacation for a week, and though I will have internet access, I won't have access to my music workstation. So, here is a first cut at Carol of the Bells, scored for string orchestra, harp and xylophone.
(I also re-worked O Come Emmanuel to incorporate your suggestions (and thanks everyone for your input). It can be heard at:
(By the way, though I offer stuff for sale on soundclick, I'll happily send anyone from this forum who wants an mp3 of anything I write free. It's just that it's hard to maintain more than one central site.)