The Youth Orchestras of Prince William's first concert of the season, performed by the Youth Symphony and Concert orchestras. 2 p.m. Sunday, Hylton High School, 14051 Spriggs Rd., Woodbridge. $7, students and seniors, $5. Season tickets are available. 703-590-7083.

'Light up the Sky'

The students in the Center for Fine and Performing Arts at Woodbridge Senior High School perform Moss Hart's comedy about a group of eccentric show business people in a Boston hotel suite on the opening night of a pre-Broadway tryout in 1949. 7:30 p.m. Fridays and Saturdays, 3 p.m. Sundays, through Nov. 21. Studio Theatre, Woodbridge Senior High School, 3001 Old Bridge Rd., Woodbridge. $7. 703-497-8040.

Ye Olde Tavern

A period-style meal and entertainment by the Rappahannock Colonial Heritage Society players and Little Maids of History at the 18th-Century Tavern Night. 7-11 p.m. Saturday. Dumfries Community Center Building, next to Town Hall, 17755 Main St., Dumfries. $50; reservations required. 703-221-2218.

'The Little Mermaid'

The Center for the Arts' Pied Piper Theatre performs the children's classic, directed by Vincent Worthington. 7:30 p.m. Saturdays, 3:30 p.m. Sundays, through Nov. 21. Osbourn Park High School, 8909 Euclid Ave., Manassas. $7 in advance, $8 at the door. 703-330-2787.

Jennifer Brown, from left, Margie Mills, Eileen Casterline, David Balciunas, Chris Robledo, Ray Masri and Kenny Shifflett in "Light Up the Sky," being presented by the Center for Fine and Performing Arts at Woodbridge Senior High School this weekend and next.