I understand if he felt a conviction by living in deep sin,but if things were fine then there was no need for him to "fix what wasn't broken".Salvation is a personal matter and most likley he has been suckerd in by a charasmatic/orthodox movment that flaunts it and makes a mockery of my God.
The best example of a rock 'n roll dude to christian convert is-Dave Mustaine...he didn't abandon his life.I'm not sure what exact doctrine he follows...I'm gonna say this though...if you desire to be saved and pursue Christ with your heart,then he will not leave you hanging.Many feel if you don't attend church and tithe yourself broke,then you arn't saved...nonsense!
Try once,fail twice...