The song "There Might Be A Light" by Jars of Clay follows the story of a person who is waiting outside the house of their loved one, hoping for a sign of reciprocal love and affection
The song "Four Seven" by Jars Of Clay is based on a verse from the Bible, 2 Corinthians 4:7, which says "But we have this treasure in earthen vessels, that the excellence of the power may be of God and not of us