He may be a very nice person, I don't know. However I have never cared for his music. I am a die hard Ozzy/Sabbath fan and IMO there is no other formula that works for me other than the one the includes Ozzy as Front-man.
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When Traveling down the roads of life, you will find yourself upside down at times. So is the nature of the wheel. The smaller your mind the more times you'll turn.