Few things get us in the holiday spirit quite like some joyful, upbeat Christmas music. Of course, “upbeat” and “joyful” aren’t exactly words that most people would use to describe, “O Come, O Come Emmanuel.” But in spite it’s slow and even somber melody, this is a Christmas hymn that strikes at the heart of the Advent message. Today, we’ll look at how the path to finding peace this Christmas can begin with the word, “Repent!”