Pentatonix Christmas Classics concept album (aka songs I wish they had versions of) tracklist 1. People Look East 2. What Child Is This? 3. Lo How a Rose E'er blooming 4. Let All Mortal Flesh Keep Silent 5. Creator of the Stars of Night 6. In the Bleak Midwinter (feat. Laufey) 7. Good King Wenceslas 8. O Come Divine Messiah 9. Once in Royals David's city 10. Ding Dong! Merrily on High (feat. Taylor Swift)