Try Your Hand At This

This is one of those things which get handed around from person to person.  No one knows where they start.  Try to figure out the actual titles of these Christmas songs from the very obscure clues you have been given. I'll post the answers tomorrow.

1. The lad is a diminuitive percussionist.
2. Decorate the entry-ways.
3. Sir Lancelot with laryngitis.
4. ABCDEFGHIJKMNOPQRSTUVWXYZ, ABCDEFGHIJKMNOPQRSTUVWXYZ
5. Present me dual incisors for this festive yuletide.
6. The smog-less bewitching hour arrived.
7. Exuberation to this orb.
8. 288 Yuletide hours.
9. Do you perceive the same longitudinal pressure which stimulates my auditory sense organs?
10. The red-suited Papa is due in this burg.
11. Far back in a hay bin.
12. Leave and do an elevated broadcast.
13. I envisioned a trio of nautical vessels.
14. Listen, the winged heavenly messengers are proclaiming tunefully.
15. A joyful song relative to hollow metallic vessels which vibrate and bring forth a ringing sound when struck.