if you go to a play or watch a movie, you 'hope' that the actors will play their roles well, whether or not they identify with the character. It is a matter of expressing clearly and with feeling something that is important to others......and religious matter are clearly important in human society, whether or not they are 'true'....I have not been a religious man for many years now, but I am in awe of the power & feeling of much of the music inspired BY belief.

If everyone on Earth became a non-believer tomorrow, many of us would still sing those songs to celebrate our heritage...just we sing sea chanties, though most of us have never pulled a line or trimmed a sail.

....further, deponent sayeth not