Time Capsule

AT THE MOVIES, Sylvester Stallone (left) gets a shot at the title in the boxing romance — and future Best Picture winner — Rocky. IN MUSIC, Stevie Wonder’s landmark Songs in the Key of Life tops the Billboard LP chart for the sixth consecutive week. IN BOOKSTORES, Alex Haley’s semiautobiographical slavery epic, Roots, is No. 1 on The New York Times’ best-seller list. AND IN THE NEWS, with Martin Scorsese’s documentary cameras rolling, The Band, accompanied by the likes of Bob Dylan and Ringo Starr, wrap up the final encore of their final concert, ”The Last Waltz,” at 2:15 a.m.