While I'm really starting to appreciate prog-rock more these days, I'm still a little hesitant to go the "all-instrumental" route just yet. Good stuff, but I think I'd need to be in the right mood for this kinda thing.
I'll keep these cats in mind though if and when I decide to take the plunge.
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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.