There’s a lot of metal that isn’t satanic. There’s plenty of Christian metal out there, including subgenres like black and death metal. That simply is choosing the medium to communicate your message, when it isn’t based on something like a book or story of some sort.
This is a concept album about the creation of Earth and mankind. Lyrics are in the description.
http://www.youtube.com/watch?v=GwDK77IF69s
The Sistine Chapel of rock?