What are carols?

Carols are songs that are specifically written to be sung during Christmas or other religious holidays. They have usually religious themes, and their tunes are often traditional or folk-inspired. Carols are typically sung by groups of people, such as choirs or families during the holiday season. Many famous Christmas carols include "Silent Night," "Joy to the World," "Hark! The Herald Angels Sing," and "O Come, All Ye Faithful."