Aerosmith and Guns n' Roses. These guys are the basis of all things hard & heavy that I listen to. They were my introduction to hard rock & heavy metal, but don't get much spin these days. I think I burnt myself out on 'em.
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I used to be with it, but then they changed what "it" was. Now what I'm with isn't it, and what's it seems weird and scary to me, and it'll happen to you, too.