Name That Christmas Tune

At the family Christmas party I attended, an aunt found this on the internet. She devised a contest where the person who got the most correct would win a prize. I played; I won, getting 19 out of the 20. (The prize was a bag of poupourri.)

Here are the clues:

EXAMPLE: Bleached Yule=White Christmas

1. Boulder of the Tinkling Metal Spheres
2. Castaneous-colored Seed Vesticated in a Conflagration
3. Singular Yearning for the Twin Anterior Incisors
4. Righteous Darkness
5. Arrival Time: 2400 Hrs. - Weather: Cloudless
6. Loyal Followers Advance
7. Far Off in a Feeder
8. Array the Corridor
9. Bantam Male Percussionist
10. Monarchial Triad
11. Nocturnal Noiselessness
12. Jehovah Deactivate Blithe Chevaliers
13. Red Man En Route to Borough
14. Frozen Precipitation Commence
15. Proceed and Enlighten on the Pinnacle
16. The Quadruped with the Vermilion Proboscis
17. Query Regarding Identity of Descendant
18. Delight for this Planet
19. Give Attention to the Melodious Celestial Beings
20. The Dozen Festive 24-Hour Intervals

Answers are found in the comment box. Add your own creations there as well.