"However, the place for religious music is surely in whatever house of worship you frequent, .."

well, Don... I get your point but even I sing a few Pentecostal hymns...just because they are such amazing music.

And..I once had the privilege of hearing Mahalia Jackson in person. You do not have to believe everything you sing or listen to. The sentiment and expression can be moving, even if it does not affect your ultimate beliefs.