See 'Stars' on stage

The 4th Wall Stage Company and Worcester Historical Museum present "The Women Who Mapped the Stars," by Joyce Van Dyke, starting Friday at 30 Elm St., Worcester. In conjunction with Women's History Month and WHM's upcoming exhibit on "Space Suits," 4th Wall to presents a chronicle of five women responsible for creating the celestial road map that astronomers use today. Showtimes are Thursday, Friday and Saturday evenings at 6:30, with Saturday matinees at 2 this and next weekend ($25 general, $20 seniors and museum members, $10 students).

Check out a cello prodigy

On Friday, March 22 and Saturday, March 23, the Concord Orchestra presents a concert program featuring the winner of the Ehlers Young Artist Competition. Each year, the Concord Orchestra features a young performer selected through the annual competition. The competition is open to musicians of high-school age or younger who live in eastern Massachusetts. This year, Hayden Idson, 13, is the featured performer on cello. Both evening's performances start at 7:15 ($25 adults, $30 at the door, $10 under 21),