I think a few years ago there was a fireplace channel option that played soft Christmas music. It would be nice to have that option again at the holidays.
It's not quite the same thing but there is a free on demand christmas tree that has Christmas music playing on it. You can find that under On Demand > Happy Holidays > then scroll all the way to the bottom for the free content.
Check out Stringray Ambiance channel 26. It's currently playing Crackling Fireplace. There are also a selection of On Demand fireplace videos.
Channel 14 is the Stingray Holiday music channel.
Unfortunately you can't combine the two unless you play/cast the music from the Stingray App on mobile device while you tune to channel 26 on Optik.