1. The lead vocalist of the British heavy metal band Def Leppard. 2. A Hollywood fusion guitarist. Started playing at 13 and was performing gigs by the age of 15. He studied with Nashville guitarist Jimmy Bird and toured the U.S. and Canada non-stop from 1980-1985 with his own band. In 1999, Joe released his first solo CD entitled Joe's Place, a seven track instrumental offering of melodic rock. Currently working with his own original instrumental group and with the band, Mama O.