<Tr> <Th> Name </Th> <Th> Origin </Th> <Th> Years active </Th> <Th> Brief summary </Th> </Tr> <Tr> <Td> A II Z </Td> <Td> United Kingdom </Td> <Td> 1979 - 1982 </Td> <Td> </Td> </Tr> <Tr> <Td> Accept </Td> <Td> Germany </Td> <Td> 1968--1989, 1992--1997, 2004--2005, 2009--present </Td> <Td> Accept played an important role in the development of speed metal and Teutonic thrash metal, being part of the German heavy / speed / power metal scene which emerged in the early to mid-1980s . </Td> </Tr> <Tr> <Td> Aerosmith </Td> <Td> United States </Td> <Td> 1970--present </Td> <Td> </Td> </Tr>

Heavy metal bands of the 80's and 90's