Advent music - an addendum

Maybe I should call this '12 days of Christmas' music. Anyway, whatever the title of these posts, they'll celebrate the music that didn't quite sneak into the pre-Christmas listing.

Starting with a classic song that makes the listener feel all warm and squidgy.

[youtube https://www.youtube.com/watch?v=DDt3u2Ev1cI&w=560&h=315]