The Band Is Gone, the Waltz Plays On By ANTHONY DeCURTIS hen the Band first sauntered onto the music scene in 1968, the group's impact could not have been more profound. Playing haunting songs that explored age-old themes of guilt and redemption, of individual will and the responsibilities of community, the Band drew on the deepest currents of blues, R & B, country, gospel and the essential force of rock 'n' roll pioneers like Little Richard, Chuck Berry and Bo Diddley. "Music From Big Pink," the Band's still-gripping debut album, helped end a baroque period of psychedelic excess. Eric Clapton...