I don’t think I’d ever heard this (“trad,” as the music books would call it) song before this version by Belle & Sebastian, but I adore it for its gentleness and the harmonies that appear in the latter “Rejoice/Rejoice” refrains. A quiet moment of holiday cheer for a day that’s been far, far too busy for my own good (I still have work to do; this is me taking something approaching a break).
Here’s Sufjan Stevens doing another version: