Rob Halford and Brad Delp are both what?
Brad Delp Bradley Edward Delp (June 12, 1951 – March 9, 2007) was an American singer and songwriter, best known as the lead vocalist of the rock bands Boston and RTZ.
Rob Barrett Rob Barrett III (born January 29, 1969) is the rhythm guitarist for the death metal band Cannibal Corpse. He played with the band from 1993 to 1997 and rejoined in 2005. He has cited Gary Moore, Malcolm Young, Randy Rhoads, Eddie Van Halen, Tony Iommi and Steve Vai, among others, as his influences. He currently resides in Tampa, Florida.