Fogg Art Museum. "American Painting at Mid-Century: Highlights from a Private Collection" considers tht vital moment in the history of avant-garde painting in New York by artists such as Andy Warhol, Jackson Pollock, Jasper Johns, Willem de Kooning, Cy Twombly, Frank Stella, Roy Lichtenstein and Barnett Newman. Through Nov. 14.
Peabody Museum. "Encounters with the Americas," exploring features of unique civilizations that developed before 1492. Ongoing.
Sackler Museum. "From India's Hills and Plains: Rajput Paintings from the Punjab and Rajasthan," features lively vignettes of Hindu gods and goddesses and deptictions of courtly activities vividly painted in brilliant pallettes. Through Oct. 31.
Chamber Music in the Houghton Library. The Jefferson Players will present a Monticello program, including song and music song and music by Handel, Haydn, Corelli and Maria Cosway. Houghton Library, 8 p.m. Tickets are available by calling 495-2449. $8 for students; $25 for series subscriptions for students.
Harvard Film Archive. "Basic Training" at 7 p.m. "Blade Runner" at 10 p.m. $5 for students. Carpenter Center.
Recent Developments in Vietnamese Law. A brown-bag lunch with Nguyen Ngoc Bich '73, lawyer, Saigon, Vietnam. Pound Hall, 419, 12:30 p.m. Talk begins at 1 p.m.
The Late Great Ladies of Blues and Jazz. With Sandra Reaves and the All Star Jazz Band. A musical tribute to Bessie Smith, Billie Holiday, Ethel Waters, Mahalia Jackson, Ma Rainey and Dinah Washington. Loeb Drama Center, 8 p.m. Call 547-8300 for more information.
The Heidi Chronicles. By Wendy Wasserstein. Directed by Carolyn Rendell. Produced by Monica Salamon and Lori Smith. Leverett Old Library, 8 p.m. $4 for students; $3 for Leverett residents.
Voices. By Susan Griffin. Directed by Jeanne Smoot. Produced by Roger Wong. Loeb Ex., 7:30 p.m. Free. 8 October Friday