speaking of black sabbath... this one is classic.
matt mumford-NIB (misled youth)
https://www.youtube.com/watch?v=kWtaJEpDsqY
jim greco-gloria
https://www.youtube.com/watch?v=pSCKlx7Bx0s
erik ellington-south of heaven
https://www.youtube.com/watch?v=eeaPFXvVSGM