What is "Classic Rock?"

Greil Marcus answers this question. “Dear Greil: I have two 17-year-old students working on a podcast, trying to understand what ‘Classic Rock’ is. Is it ‘white-guy music?’ Is it just marketing? Is it just rock and roll? Who decides what is and isn’t?” Classic Rock is what you said: Marketing and White-Guy Music. It’s a strategic concept meant to enforce a narrow worldview and shrink an historical episode into a segment of radio programming that could compete in a fragmenting commercial landscape where Top 40—which is to say a radio republic where most people, as being exposed to and with access to the same music, could make their choices and argue about them with other people, speaking a pop lingua franca—was being replaced by an ever-more diced-and-sliced formatting of AOR, Easy Listening, Heavy Metal, R&B, Disco, and on and on in a radio landscape where people were presumed to have nothing in common and nothing to say to each other, which was also an argument about the United…