What if the most powerful thing you could do before you go to sleep is to simply ask God to guard you through the night? “Ere Waning Light” by Mike Rathke answers this question with a 1,700-year-old hymn by St. Ambrose that reads like a prayer. Mike discovered this hymn, written somewhere in the 4th century, and set the words to a pop-alternative melody. Going back in history, we know that Ambrose wasn’t an ordinary “churchman”. When the bishop of Milan, an Arian, died in 374, the people demanded that Ambrose become the bishop, but Ambrose wasn’t ordained or even baptized! He was promptly baptized and ordained, and he remained bishop of Milan until his death. He was one of history’s most fearless defenders of orthodox faith — resisting emperors and heresy alike. He knew real danger, inside and out, and how to hand off all of his worries to God. This context adds extra meaning to the message of the song. “Guard from our foes, without, within — outward danger and inward sin.” Amb...