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Other than a PJ Harvey one or two, I can't think of many this century that I'd rate as "classic". Trouble is, to us old timers, we really have heard it all before. This maybe why I listen to Asian (Japanese and Korean) rock nowadays more than any other when I want something refreshing - even if it's still just rock, they bring a different energy to it. There really isn't much "Western" music that does it for me these days. PJ, as I mentioned... and Deerhoof... there are a few others, but although I like them none of their stuff can really be called "classic" (yet).