Rocknoceros plays a Saturday morning show at the Fillmore in Silver Spring. (Courtesy of Rocknoceros)
THU 30

A Very Berry Evening Seven chefs create berry appetizers, main dishes and desserts at this event leading up to the museum’s Strawberry Festival. Host John Moeller, a former White House chef, will talk about his experience serving George H.W. Bush, Bill Clinton and George W. Bush. A cash bar will feature berry drinks such as daiquiris and martinis. 6-8:30 p.m. Sandy Spring Museum, 17901 Bentley Rd., Sandy Spring. 301-774-0022. $35, couples $60. Tickets include one drink from the cash bar.

Arts and the Brain lecture series Nina Kraus of the Northwestern University School of Communication explains how the adult brain is shaped by musical training in childhood and how musical experience offsets age-related delays in neural timing in her lecture, “Step in Time: The Effects of Music Experience on the Adult Brain.” She then joins Marie Bernard and Molly V. Wagster from the National Institute on Aging in a panel discussion on the role of the arts in aging. A wine reception follows. 7:30 p.m. Mansion at Strathmore, 10701 Rockville Pike, North Bethesda. 301-581-5100. $25.

Flo Anito The Wammie-nominated pop and jazz singer performs as part of the downtown Bethesda summer concert series. 7:30 p.m. Veterans Park, Woodmont and Norfolk avenues, Bethesda. 301-215-6660. Free.

FRI 31

“We Steal Secrets: The Story of WikiLeaks” Alex Gibney’s documentary about Julian Assange’s controversial Web site is shown for the first time in the Washington area. AFI Silver Theatre, 8633 Colesville Rd., Silver Spring. 301-495-6720. $11.50, seniors $9, age 12 and younger $7.

SAT 01

Strawberry Festival The museum’s 32nd annual celebration of summer features children’s games, pony and hayrides, craft vendors, activities, strawberries and other foods, and a plant sale. Local musical acts such as the Vi-Kings, the Olney Concert Band, Soulpajamas and others will perform. 10 a.m.-5 p.m. Sandy Spring Museum, 17901 Bentley Rd., Sandy Spring. 301-774-0022. $2.

“Big Nate” Lincoln Peirce’s cartoon strip about an average sixth-grader gets a turn on the stage. Nate’s band, Enslave the Mollusk, faces off with Rainbows and Ponies in hopes of winning a battle of the bands and the heart of his crush. Thursday-Friday at 10:30 a.m., Saturday at 11 a.m., 2 and 4:30 p.m., Sunday at 11 a.m. and 2 p.m. Closes Sunday. Glen Echo Park, Adventure Theatre MTC, 7300 MacArthur Blvd., Glen Echo. 301-634-2270. $19.

Imagination Bethesda children’s street festival Expect professional children’s entertainers, live music and lots of crafts and activities. 11 a.m.-4 p.m. Downtown Bethesda along Auburn and Norfolk avenues. 301-215-6660. Free.

Rocknoceros The popular children’s band performs. 11 a.m. The Fillmore, 8656 Colesville Rd., Silver Spring. 301-960-9999. $5.

33rd Annual Washington Folk Festival A weekend of continuous international and national traditional folk music, storytelling and dance on seven stages is sponsored by the Folklore Society of Greater Washington, the National Park Service and Glen Echo Park Partnership for Arts and Culture. There will also be craft vendors. Free shuttle service is available 11 a.m.-8 p.m. from the Geico campus, two blocks west of Wisconsin Avenue on Western Avenue. Saturday-Sunday noon-7 p.m. Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. 301-634-2222. Free.

Jubilation Day Fifteen groups and soloists are lined up for the seventh annual celebration of gospel music. Bring a chair or blanket. 3:30-8:30 p.m. Gaithersburg City Hall, Concert Pavilion, 31 S. Summit Ave., Gaithersburg. 301-258-6350. Free.

National Philharmonic The orchestra, conducted by Piotr Gajewski, celebrates Wagner’s 200th birthday with a performance of selections from 10 of his best-known operas. 8 p.m. Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. 301-581-5100. www.national
. $37-$84.

Flea Bops The Indian Head rockabilly band performs. With the Garnet Hearts. 9:30 p.m. Quarry House Tavern, 8401 Georgia Ave., Silver Spring. 301-587-8350. Free.

SUN 02

Jacqui Crocetta and Janet WheelerCrocetta’s acrylics on canvas and Wheeler’s sculptures are displayed. Opening reception Sunday 1:30 to 3:30 p.m. Exhibition continues through June 25. Glenview Mansion, 603 Edmonston Dr., Rockville. 240-314-8682. Free.

Feria de Sevilla Strathmore’s grounds are transformed into a Spanish fairground during the 22nd festival with outdoor performances, art and food tents serving tapas. Noon-6 p.m. Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda. 301-581-5100. Free.

Taste the World in Fenton Village Twenty-six Silver Spring restaurants in the five-block area known as Fenton Village will offer international appetizers or small tasting plates for $2-$5. The musical lineup includes Washington ska-jazz band Eastern Standard Time, the Gaithersburg rock band Shock Holiday, 13-year-old electric guitarist Isaiah “Izzy” Lemons and 2007 “American Idol” contestant Allen Mills. Get your event “passport” stamped at three stops to participate in a raffle at 5:30 p.m. Restaurants are located between Wayne, Georgia and Burlington avenues and Fenton Street. The music stage will be set up at public parking lot 3 off Fenton Street between Thayer and Silver Spring avenues. 1-5 p.m. Free.

“All Things Metal” This group exhibition showcases metal sculptures. Continues through July 7. Hyattstown Mill Arts Project, 14920 Hyattstown Mill Rd., Hyattstown. 301-874-2452. Free.

MON 03

“Revealed” An exhibition of cubist paintings by Takoma Park artist Joseph Holston continues through June 13. Marin-Price Galleries, 7022 Wisconsin Ave., Chevy Chase. 301-718-0622. Free.

TUE 04

Summer Twilight Concert First in the outdoor Summer Twilight Concert series, Oasis Island Sounds plays Caribbean dance music, reggae, calypso, steel drums and African music. Bring chairs and blankets. 6:30-8 p.m. Brookside Gardens, visitors center lawn, 1800 Glenallan Ave., Wheaton. 301-962-1400. Free.

WED 05

BlackRock exhibitions Two new shows — a collection of acrylics, wood sculptures and mixed-media pieces by Anne Marchand, Mike Shaffer and Mark Sharp (Main Gallery) and an opera-themed exhibition of oil paintings by the Boyds artist Robert O’Brien (Terrace Gallery) — open Wednesday. O’Brien continues through July 26; group show through June 28. BlackRock Center for the Arts, Terrace Gallery, 12901 Town Commons Dr., Germantown. 301-528-2260. Free.

Owen Danoff The D.C. singer-songwriter performs original works as a Strathmore artist in residence. Wednesday at 7:30 p.m. Program repeats June 19. Mansion at Strathmore, 10701 Rockville Pike, North Bethesda. 301-581-5100. $15.

— Compiled by Carrie Donovan from staff reports