Like the narrator in "The Changingman," one of his best-known songs, Paul Weller's career is built on shifting sands. He's been a punk rock frontman at the vanguard of the late-'70s mod revival movement, a soul/R&B singer, guitar hero and the "Mod Father," hero to the protagonists and antagonists of the drama-filled Britpop scene of the mid-'90s.