Are John Fogerty and Paul Rodgers what you would call naturals?
I remember reading that John Fogerty basically tape-recorded himself singing until he got the vocal sound he desired. It struck me as interesting and inspiring that he could "create" a voice like that which is distorted yet so powerful. Then I was listening to a vid of him singing and noticed he used some silent h's to get past the bridge and wondered if maybe he had a teacher or coach suggest that. Amazing singer. It's even more amazing that he can still sing, albeit with noticeably less distortion than he used to. Paul Rodgers is the same way but he sounds just as distorted and open-throated as ever. I guess in singing you have the "naturals" just like basketball has Michael Jordan and track has "Usain Bolt."
But I'd rather be an awesome trained singer with a healthy technique than a natural who doesn't know what he is doing or how to fix his voice when he has a problem.