The early '80s were an interesting time in the career of Paul Simon. The past glories of hits with Simon & Garfunkel - along with his sizable solo charting - were behind. And he had yet to reinvent himself as a world music maven with 1986's fine Graceland. His 1980 album One-Trick Pony had yielded a hit with "Late in the Evening," but the semi-autobiographical film of the same name, in which Simon showcased his acting chops, was widely panned.
So this 1980 concert at Philadelphia's Tower Thea
