“The very idea of a canon of geniuses may be falling by the wayside; it makes more sense to talk about the flickering brilliance of a group, a place, or a people. In the future, it seems, everyone will be a genius for fifteen minutes. The past decade has seen the rise of pop-music studies, which is dedicated to the idea that Ellington, Hank Williams, and the Velvet Underground were created equal and deserve the same sort of scholarly scrutiny that used to be bestowed only on Bach and sons. Pop-music courses draw crowds of students on college campuses, and academic presses are putting out portentous titles…”