Hannah Kerr's song "O Come All Ye Faithful" is a joyful and triumphant Christmas carol that invites believers to come and worship Jesus, who is born the King of Angels in Bethlehem. The song encourages us to adore Christ the Lord and sing praises to Him with choirs of angels and citizens of heaven. The lyrics celebrate the birth of Jesus on a happy morning, acknowledging Him as the Word of the Father now appearing in flesh. The song is a call to worship and give glory to Jesus, recognizing Him as the Savior and the reason for the Christmas season. Overall, "O Come All Ye Faithful" is a beautiful and reverent song that captures the heart and spirit of Christmas, reminding us to come together in adoration and praise of Christ the Lord.