70s 80s 90s all alternative alternative rock bands i have seen live black sabbath brazilian british british metal brutal death metal classic classic metal classic rock death death metal disco doom metal drum and bass emo favorites fusion gods good shit gothic metal gothic rock grunge guitar hair metal hard rock heavy heavy metal heavy rock legend male vocalists melodic metal metal metal gods metallica ozzy ozzy osbourne pop pop metal pop punk power power ballad power metal progressive metal progressive rock punk punk rock rock roots singer-songwriter tags the beatles thrash metal uk usa