God Rest Ye Merry Gentlemen (organ & chimes)

On these albums

50 All Time Christmas FavoritesThe Starlite Orchestra & Singers · 1995

25 All Time Christmas Favorites, Vol. 1Starlite Pop Orchestra · 2000

Happy Holidays101 Strings Orchestra & The Starlite Singers · 2008

Source: MusicBrainz recording 5ae1c6f1-0aec-4907-a8e4-f2459bed3e6f (CC0).