As Christian knowledge in the UK slowly dwindles, it’s less and less likely that people will know the words to Christmas carols. This makes it hard to use them as illustrations when communicating with people who don’t regularly go to church. There is good news, though. Lots of contemporary Christmas songs are really Christian allegory waiting to be unlocked and used as handy illustrations for your all-age, evangelistic carol service. Here are four secretly Christian Christmas songs, ready to use for your next Christmas assembly.