Lloyd Dobler Effect The pop rock band performs as part of the outdoor summer concert series sponsored by the city of Gaithersburg. 6 p.m. Series though Sept. 24. City Hall Concert Pavilion, 31 S. Summit Ave., Gaithersburg. www.gaithersburgmd.gov. Free.
Fair Hills concerts The Family Concert Series continues Thursday at 6:30 p.m. with ilyAIMY; the Children’s Series continues Tuesday at 10:30 a.m. with Mr. Skip. Both concerts will be held at the fountain. Fair Hill Plaza, 18100 Town Center Dr., Olney. 240-453-3000. www.fairhillshops.com. Free.
Satyajit Ray Film Festival The festival celebrating the Indian filmmaker opens Thursday with “Pather Panchali” (“Song of the Little Road”)at 7:30 p.m. Other highlights include an introduction by George Mason University history professor Michael Jeck and a screening of “Mahanagar” (“The Big City”) on Friday at 7:30 p.m., and the entire Apu Trilogy Saturday at 4, 6:20 and 8:40 p.m. followed by champagne. The festival continues through Sept. 13. Montgomery College, Robert E. Parilla Performing Arts Center, 51 Mannakee St., Rockville. www.montgomerycollege.edu/pac. Free, tickets required.
Mr. Gabe The Cabin John Kids Free Music Series continues. 10:30 a.m. Cabin John Mall and Shopping Center, 11325 Seven Locks Rd., Potomac. 240-453-3000. www.shopcabinjohn.com. Free.
The Amazing Maze A Mother Goose-themed corn maze, a small straw bale maze for young children, pumpkin-carving ($5 per pumpkin), farm animals and local baked goods and produce are featured in this event to benefit social, employment and housing programs for adults with special needs. Opens Friday 3-7 p.m., continues Saturday 10 a.m.-7 p.m., Sunday 10 a.m.-4 p.m. Through Nov. 1. Madison Fields, 21355 Big Woods Rd., Dickerson. 240-246-7140. www.madisonhouseautism.org/cornmaze. $12, ages 7-13 $10, age 6 and younger free. Registration suggested.
Art Walk in the Park Glen Echo Park’s studios and galleries offer demonstrations, shows and sales. 6-8 p.m. Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. 301-634-2222. www.glenechopark.org. Free.
Rio Summer Concert Series R&B, funk and pop band Ro Cube & Friends plays Friday 6-9 p.m.; Diamond Alley plays classic rock, Motown and pop Saturday 6-9 p.m. Through Sept. 26. Rio’s Patio at Washingtonian Center, 9811 Washingtonian Blvd., Gaithersburg. 301-921-4686. www.riowashingtonian.com. Free.
New at VisArts An opening reception celebrates four new exhibitions: “(Come Back to) Rockville!” featuring social network-themed projects by Naoko Wowsugi and Graham Coreil-Allen (through Oct. 18), Dane Winkler’s sculpture show “Gusset” (through Oct. 4), the annual juried VisArts Faculty Show (through Sept. 27) and Christian Benefiel’s site-specific installation “Sea of Tranquility, Ocean of Doubt” (through Oct. 4). 7-9 p.m. VisArts at Rockville, 155 Gibbs St., Rockville. www.visartsatrockville.org. Free.
“Weaving Community” Fabric artist Suzanne Herbert Forton facilitates the weaving of a community tapestry on a giant loom. Visitors are encouraged to bring something to weave in, such as a piece of yarn, a length of wire or a necktie. Opens Saturday with a kickoff event 11 a.m.-3 p.m. Through Dec. 30. Sandy Spring Museum, 17901 Bentley Rd., Sandy Spring. 301-774-0022. www.sandyspringmuseum.org/weaving. $5, seniors $4, ages 3-17 $3.
Labor Day Weekend at Glen Echo More than 200 area artists and 450 works of art including photography, painting, ceramics, jewelry, glass and textiles are featured in the Labor Day Art Show (Saturday-Monday noon-6 p.m.), held concurrently with an Irish music and dance showcase in the Bumper Car Pavilion (Saturday-Monday 1-6 p.m.). A member and donor reception for the art show will be held Friday 7:30-9 p.m. in the Spanish Ballroom. Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. 301-634-2222. www.glenechopark.org. Free.
“March Avery (Works on Paper)” An exhibition of watercolors and gouaches by Milton Avery’s daughter opens Saturday with a reception 5:30-7:30 p.m. Through Sept. 30. Marin-Price Galleries, 7022 Wisconsin Ave., Chevy Chase. 301-718-0622. www.marin-pricegalleries.com. Free.
“Hay Fever”A family’s weekend getaway in the countryside with some guests is fraught with misunderstandings in Noël Coward’s comedy. Suggested for age 12 and older. Thursday-Saturday at 8 p.m., Sunday at 2 p.m., Wednesday at 2 and 8 p.m. Through Sept. 27. Olney Theatre Center, 2001 Olney-Sandy Spring Rd., Olney. 301-924-3400. www.olneytheatre.org. $35-$65, seniors and children $30-$60, military $15-$45.
“Once Upon a Time in America” The extended director’s cut of Sergio Leone’s 1984 film stars Robert De Niro and James Woods in a life-spanning epic about two bootleggers and lasts about 4
Cory Henry & the Funk Apostles The jazz composer and organist leads his band. With Philip Lassiter and PJ Morgan. 8 p.m. Bethesda Blues and Jazz Supper Club, 7719 Wisconsin Ave., Bethesda. 240-330-4500. www.bethesdabluesjazz.com. $25.
“Blooming” Wanjin Kim’s exhibition of metal sculptures includes small figures and large, hanging flowery pieces made of copper wire. Opens Tuesday. Through Oct. 3. Waverly Street Gallery, 4600 East-West Hwy., Bethesda. 301-951-9441. www.waverlystreetgallery.com. Free.
“Wings of Fancy” The live butterfly and caterpillar exhibit continues. Daily 10 a.m.-4 p.m. Through Oct. 25. Brookside Gardens Conservatory, 1500 Glenallan Ave., Wheaton. 301-962-1400. www.brooksidegardens.org. $8, ages 3-12 $5, age 2 and younger free.
— Compiled by