Some are, some are not. And btw, a real punk is a nihilist more than a rebel, mod were rebels, hippies too, but punkers just don't give a shit (so they say).
Hüsker Dü, Ramones, Gun Club and Cramps are my favourite. (CCCP too, an italian group)

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If I could start again
A million miles away
I would keep myself
I would find a way