In Almost Famous, the 2000 film inspired by Cameron Crowe’s years as a teenage music journalist, one fictional Seventies rocker warns another about talking to a Rolling Stone reporter. “It’s Rolling Stone,” he says. “The magazine that trashed ‘Layla,’ broke up Cream, ripped every album Led Zeppelin ever made!” Rolling Stone had, in fact, panned Zeppelin’s first two albums. “The latest of the British blues groups so conceived offers little ...