Great voice with tight control! In a parallel universe they listen to "Simon and Dragojevic" singing "Scarborough Fair"
I don't mean to discount the music he made at all. My point is that there is a lot of musical talent in the world and the difference between being a local musician vs a international phenomenon is often a matter of being at the right place at the right time and meeting the right person at the right time.
...too bad he didn't get hooked up with the Beach Boys when they were forming, he could rock the "surfer dude" image!