Back in the later seventies when Roger Waters conceived Pink Floyd's The Wall, the band's landmark double-album about isolation and psychological torment - with its rebellious cry, "We don't need no education!" - the bass player says he was "a scared young man."
But these days, Waters, who will take the spectacularly staged The Wall Live world turn to the Wells Fargo Center for three shows this week, sees his magnum opus in more positive terms.
