Do the characters sing songs?

Yes, the characters in the story sing songs. These are some examples of the songs that are mentioned:

* The Muffin Man: This song is sung by the Muffin Man as he walks through the town, selling his delicious muffins.

* The Itsy Bitsy Spider: This song is sung by the Itsy Bitsy Spider as he tries to climb up the water spout.

* Twinkle, Twinkle, Little Star: This song is sung by the characters as they look up at the beautiful stars in the night sky.

* Silent Night: This song is sung by the characters as they celebrate Christmas Eve.

* Happy Birthday: This song is sung by the characters as they celebrate the birthday of one of the characters.