Theater

Starting Over With Sondheim--at 8:30 and 10:30 p.m. in the Dunster House dining hall. Tickets are $10, $6 for students. Call 266-7754 for information.

A Room of One's Own--at 8 p.m. on the Loeb Mainstage at 64 Brattle St. For tickets call 547-8300.

Other People's Money--at 8 p.m. at the Poets' Theatre. For tickets call 496-8400.

The Glass Menagerie--by Tennessee Williams. At 7:30 p.m. at the Loeb Experimental Theatre. Call 547-8300.

Film

Madonna: Truth or Dare--in Science Center C at 8 and 10 p.m.

Why Havel?--the U.S. premiere of this Vojtech Jasny film. At 7 p.m. in the Carpenter Center at 24 Quincy St. Admission is $5, $4 for students.

The Cassandra Cat--by director Vojtech Jasny. At 9 p.m. in the Carpenter Center at 24 Quincy St. Admission is $5, $4 for students.

Music

Cris Williamson--at 9 p.m. in Sanders Theatre. Tickets are $17.50. Call 641-1010.

Lectures

SAN'YA or Everything You Always Wanted to Know About Day Laborers But were Too Busy Thinking of Japan as Number One to Ask--with Edward Fowler, associate professor of Japanese literature at the University of California at Irvine. At 4 p.m. in Coolidge Hall, room 2.

Saturday

Theater