It's interesting how an older school of thought saw music divided into two camps: that which is Christian, and hence was approved and created by God, and that which is secular, and hence condemned by God as a creation of Satan.

More often today we're seeing Christians discern beyond this false dichotomy and realize that God is the author of creativity, and speaks truth into humanity through means that go beyond just praise and worship music.  Though many Believers of yesterdays past would turn in their grave if they heard you say God spoke to you through Lars Ulrich