In the interests of completeness, here are the first two sets that were missed.
25 Days of Free Holiday Songs -- 1st set (01~05 Dec)
- Carol of the Bells -- Capital Kings
- Deck The Halls -- Ukulele Christmas
- We Wish You A Merry Christmas -- Shonen Knife
- Blue Christmas -- Cyndi Lauper
- Wonderful Christmastime -- The Shins
25 Days of Free Holiday Songs -- 2nd set (06~10 Dec)
- Angels We Have Heard On High -- Sara Groves
- Little Drummer Boy -- Richard Marx
- A Holiday Song -- Lisa Loeb (still free)
- Christmas Unicorn -- Sufjan Stevens
- Hark The Herald -- The Irish Tenors