"I don't think you can remove the offensiveness of this song by changing odd words.
It's not Baptist /Darky /razors /...., it's the whole nudge,nudge,wink,wink approach to Bible stories that would offend anyone who held them dear.

I am no longer a believer, but I still find it distasteful."

I notice no-one has replied to my 5 year old comment.