One of the most divine pieces of music I know is the O Magnum Mysterium by Morten Lauridsen (I love it so much, it even played a starring role in my first novel). Before I say anything, take a listen: The O Magnum Mysterium texts is one of the oldest in the liturgy, making up part of the Christmas Matins, and telling the story of how Jesus was born in the manger surrounded by the lowly animals, and the Virgin Mary who trusted in God enough to step into an unknown journey. Now look, whatever you think about the literal capital-T Truth of the Bible (and I already talked the…