Hear and meet the percussion section of the Prince William Symphony Orchestra Chamber Players. Refreshments will be served; audience members can meet the performers after the concert. 2 p.m. Sunday, Central Community Library, 8601 Mathis Ave., Manassas. Free. 703-361-8211.
The Manassas Museum sponsors a living history program with Civil War reenactors. Mayfield Fort is the last remaining earthwork fortification; it was built by Confederate troops in 1861. 6-9 p.m. Saturday, 8401 Quarry Rd., Manassas. $10, $5 children, group rates available; reservations required. 703-368-1873.
The Bull Run Troubadours perform barbershop music in a benefit concert. 7:30 p.m. Saturday, St. Paul United Methodist Church, 1400 G St., Woodbridge. Free, donations accepted. 703-743-5867.
'Arts After Dark'
Students in the Center for the Fine and Performing Arts program at Woodbridge Senior High School perform and present a sampling of their work with displays on dance, music, theater, creative writing, television production and visual arts. 7-9 p.m. Saturday, at the school, 3001 Old Bridge Rd., Woodbridge. $5, free children 12 and younger. 703-497-8147.
The Manassas Community Chorale celebrates its 10th anniversary with a medley of songs from movies and theater, along with rousing ballads performed by alumni from the past 10 years. Performers include a male quartet, chorale ensemble, soloists and instrumentals. 7:30 p.m. Saturday, Manassas Baptist Church, Sudley and Stonewall roads, Manassas. $6, $3 children. 703-392-5205.