Actor ROBERT DUVALL

Actor ROBERT DUVALL. His roles include his film debut as Boo Radley in "To Kill a Mockingbird," a crazy colonel in "Apocalypse Now," counsel to the mob in "Godfather" I and II, and a country singer in "Tender Mercies" (for which he won a Oscar). In all he's acted in more than 50 films. His latest is "A Family Thing," in which he co-stars with James Earl Jones. REV: Rock historian ED WARD begins a series on the instruments of rock n' roll. Today's installment is drums.