One of the music world's pre-eminent critics takes a fresh and much-needed look at the day Dylan -went electric- at the Newport Folk Festival, timed to coincide with the event's fiftieth anniversary.

On the evening of July 25, 1965, Bob Dylan took the stage at Newport Folk Festival, backed by an electric band, and roared into his new rock hit, Like a Rolling Stone. The audience of committed folk purists and political activists who had hailed him as their acoustic prophet reacted with a mix of shock, booing, and scattered cheers. It was the shot heard round the world--Dylan's...