Nobody knew it at the time, but when the Who recorded “Quadrophenia” 39 years ago, the band was starting down the slow road to collapse.
Pete Townshend did his best studio work on this teenage, schizoid rock opera. But onstage, drummer Keith Moon’s experiment with animal tranquilizers led to a 19-year-old fan getting a star turn. Even when Moon was conscious, the band found it hard to play alongside pre-taped loops. There would be two more Who records, but within five years Moon would be dead and the group drifting.