Eggo said:
I (and plenty of people out there) like rock and aren't rockists. Is your world shattered now?
What is a rockist, then? (it's dented irreparably)
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To be honest, it's a term I've never heard before, so let me lay out a bit of explanation:
If a musician really likes some music, I believe it will variably influence his/her output. This makes most genres not as dead as people like to think. You should check out Wolfmother if you think classic rock is dead. I'd point you toward Immortal Technique and The Roots for some hip-hop which is largely out of he mainstream, and Gogol Bordello's still rocking out in the spirit of punk. You could respond that these bands are shit, but that wouldn't really contribute to the argument since it's just a subjective statement.
The argument is that something so wide-reaching as a music genre will live on in one way or another. The fact that the 60's, 70's and 80's are mere decades away makes it way to early for me to say anything about the aforementioned genres claiming that they're completely gone.
Not many people listen to classical music anymore. Saying that it's dead is just as ludicrous.