After a lot of thought it's here (harder than I thought doing this by the way)
1960s: Cream, The Doors, Lynyrd Skynyrd
1970s: Black Sabbath, The Who, Sex Pistols
1980s: Metallica, Anthrax, Megadeth, Pantera
1990s: Nirvana, Moonspell, Pearl Jam, Faith No More
2000s: Audioslave, Foo...