Del Ray’s First Thursday street festival The monthly outdoor event continues with music and dancing on Mount Vernon Avenue. 6-9 p.m. Through Sept. 7. Mount Vernon Avenue, Alexandria. visitdelray.com. Free.
Bushmaster The funky blues-rock band wraps up the Falls Church Concerts in the Park series. Bring a picnic dinner and blanket. Falls Church Community Center (223 Little Falls St.) is the rain location. 7 p.m. Cherry Hill Park, 312 Park Ave., Falls Church. 703-248-5077. fallschurchva.gov . Free.
Fairfax County 4-H Fair and Carnival The annual event features carnival rides, games, animal shows, exhibits, music and a tractor pull. Through Sunday. See website for schedule. Frying Pan Farm Park, 2709 W. Ox Rd., Herndon. 703-437-9101. fairfaxcounty.gov . Free, fee for some activities.
Gallery Underground exhibits A reception for this month’s juried show, “Around the World,” and a member show celebrating the gallery’s fifth anniversary. Painter Wen LePore is this month’s featured artist. 5-8 p.m. Gallery Art Underground, Crystal City Shops, 2100 Crystal Dr., Arlington. 571-483-0652. galleryunderground.org. Free.
Friday Night Live The summer series continues with rock and country music by Sam Grow and the Phillip Parsons Band. 6:30-10:30 p.m. Through Aug. 25. Herndon Town Green, 777 Lynn St., Herndon. 703-435-6868. herndonrocks.com. Free.
Last Ham Standing Performers take suggestions from the audience to improvise humorous skits. Comedy Improv Bootcamp participants perform before the main show. 7:30 p.m. Franklin Park Arts Center, 36441 Blueridge View Lane, Purcellville. 540-338-7973. franklinparkartscenter.org. $10-$14.
U.S. Air Force Band The fourth and final performance for the Heritage to Horizons Summer Concert Series, “Portraits of Courage,” includes flyovers and Honor Guard Drill Team demonstrations. 7:30 p.m. Air Force Memorial, 1 Air Force Memorial Dr., Arlington. usafband.af.mil. Free.
Sonu Nigam and Atif Aslam The popular Indian and Pakistani artists perform together. 8 p.m. EagleBank Arena, 4500 Patriot Cir., Fairfax. 703-993-3000. eaglebankarena.com. $49-$500.
Friendship Firehouse Festival Celebrating the Friendship Fire Company’s 243rd anniversary, the event includes birthday cake, craft booths, a collection of new and antique equipment, and firehouse tours. 9 a.m.-2 p.m. Friendship Firehouse, 107 S. Alfred St., Alexandria. 703-746-4554. friendshipfirehouse.net. Free.
“Shorelines” A reception and artist’s talk for Sarah Hood Salomon’s solo photography exhibit in the Multiple Exposures Gallery. 3-5 p.m. Through Sept. 3. Torpedo Factory Art Center, 105 N. Union St., Alexandria. 703-683-2205. torpedofactory.org. Free.
Lox and Vodka The Mount Vernon Nights concert series continues with traditional Jewish and klezmer music blended with folk, jazz and spiritual music. 6-7 p.m. Workhouse Arts Center, 9518 Workhouse Way, Lorton. 703-584-2900. workhousearts.org.Free.
Paranormal 101 East Coast Research and Investigation of the Paranormal leads a seminar and investigation at a site that once housed a Civil War hospital. Seminar 7 p.m. Investigation 9 p.m.-midnight. Ben Lomond Historic Site, 10321 Sudley Manor Dr., Manassas. 703-367-7872. pwcgov.org . Seminar $40; seminar and investigation $100. Reservations required.
Florida Georgia Line with Nelly, Chris Lane and Ryan Hurd The country duo, which released “Dig Your Roots” last year, is on its Smooth Tour. 7 p.m. Jiffy Lube Live, 7800 Cellar Door Dr., Bristow. 703-754-6400. livenation.com. $56-$72.
“Nameless, An Exploration of Form” An opening reception for the exhibit of individual and collaborative work by artists Lotus Heartsong and Mel Bikowski. 7-11 p.m. Village Gallery, 3950 University Dr., Fairfax. 571-455-6064. melbikowski.com. Free.
“Gospel at Colonus” The Oedipus tragedy told gospel-style by WSC Avant Bard.
8 p.m. Lubber Run Amphitheater, North Second and North Columbus streets, Arlington. 703-228-1850. arlingtonarts.org. Free.
Signature Theatre Open House A kickoff for the upcoming season with performances every 15 minutes, special ticket offers, raffles and a grand finale concert. Noon-8:30 p.m. Signature Theatre, 4200 Campbell Ave., Arlington. 703-820-9771. sigtheatre.org. Free.
K-Tigers with K-Pop The Korean extreme martial arts touring group performs. 5 p.m. Hylton Performing Arts Center, 10960 George Mason Cir., Manassas. 703-993-7759. hyltoncenter.org. $30-$50.
Mount Vernon Celebrates Purple Heart Day A ceremony will commemorate the oldest U.S. military decoration with members of the Military Order of the Purple Heart. 10:30 a.m. George Washington’s Mount Vernon, 3200 Mount Vernon Memorial Hwy., Mount Vernon. 703-780-2000. mountvernon.org. $9-$20.
“Wrapped Gems by Fred” Artist Fred Walker demonstrates wrapping sea glass and other gems. 11 a.m.-5 p.m. Art a la Carte, 310 Mill St., Occoquan. 703-496-9540. artalacartegallery.com. Free.
Goo Goo Dolls with Phillip Phillips The rock band, which released “You Should Be Happy” in May, is on its Long Way Home Summer Tour. 7:30 p.m. Wolf Trap, Filene Center, 1551 Trap Rd., Vienna. 703-255-1900. wolftrap.org. $40-$75.
Chrisette Michele The R&B and soul singer-songwriter performs songs from her latest album, “Milestone.” 7:30 p.m. The Birchmere, 3701 Mount Vernon Ave., Alexandria. 703-549-7500. birchmere.com. $69.50.