We ring the Hell's Bells to see what songs and rockers are sincere in their Satanism, and how much of it is an act.
Before he was the champ, Ali released an album called I Am The Greatest!, but his musical influence is best heard in the songs he inspired.
Test your metal - Priest, Maiden, and Beavis and Butt-head show up in this one.
When he was playing Ozzfest with Black Label Society, a kid told Zakk he was the best Ozzy guitarist - Zakk had to correct him.
Devo founders Mark Mothersbaugh and Jerry Casale take us into their world of subversive performance art. They may be right about the De-Evoloution thing.
The powerhouse producer behind Janet Jackson's hits talks about his Boyz II Men ballads and regrouping The Time.