Having caught a glimpse of what I might be able to do with my talent, I feel a tremendous obligation to try to fulfill it.
As long as the songs are strong, I think you can express yourself in any style and have it be soulful and have it be your own voice.
There are any number of people who profess to be good Christian people who are willing to believe all kinds of things on suspicion. Now that is not the way the Bible directs for Christian people to do.