Photo by M.V. Jantzen.

FRIDAY

MUSIC: Like Vivian Girls, Peter Bjorn and John may no longer be enjoying quite the same cachet as they did a few years ago, but the Swedish trio has lost none of its infectious pop tunesmanship, nor the surprisingly dynamic live chops that will be on display at the 9:30 Club (815 V Street NW). Ontarian dream-pop outfit Memoryhouse opens. $25. 8 p.m.

>> While the Red Palace (1210 H Street NE) brings in Beach Fossils — who should benefit from playing a show in an unseated venue. Warm Ghost, The Silver Liners open. $10 advance / $12 doors. 9:30 p.m.

>> There’s a ton more music to enjoy this weekend — skim our Weekly Music Agenda for the skinny.

JAZZ: Trumpeter David Weiss formed The Cookers to build on the explosive post-bop sound of the mid- and late-1960s, and they’ll be at Bohemian Caverns (2001 11th Street NW) tonight and tomorrow for 8:30 and 10:30 p.m. sets. $35. Check out our preview of the shows.

>> Also recommended tonight, New Orleans troubadour Paul Sanchez, who leads a benefit concert for ShowYourHearts at Acre 121 (1400 Irving Street NW, #109) tonight. 8 p.m.

HIP-HOP: Baltimore-based house music producer DJ Spen is known for his work in the soulful side of the genre, having created a number of gospel-tinged dance tracks. In addition to his own set, he’ll be at the U Street Music Hall (1115A U Street NW) with another act he’s associated with, the MuthaFunkaz. Free before 11 p.m. / $10 after 11 p.m. Doors at 10.

9/11: A Concert to Honor — part of the National Cathedral’s weekend of September 11 remembrances which have been moved to the Kennedy Center (2700 F Street Northwest) — honors 9/11 Pentagon victims and survivors, their families, emergency response personnel and the nearly 6,000 fallen military service members and civilians whose lives have since been lost in the Iraq and Afghanistan Wars with Brahms Requiem, performed by the Marine Chamber Orchestra and United States Navy Band Sea Chanters. 7:30 p.m. Watch oonline here.

>> Carroll Square Gallery (975 F Street NW), in collaboration with The 9/11 Arts Project, hosts a reception for 7.4.11, Photographs by Facing Change: Documenting America, a snapshot of American Independence Day celebrations and traditions captured by photojournalists from the non-profit group Facing Change: Documenting America. 6-8 p.m., Free.

>> “We Remember: Commemorating the 10th Anniversary of the 9-11 Tragedy” at the Sumner School Museum and Archives (1201 17th Street NW) is on display until 5 p.m. today, and pays tribute to teachers and students from Backus Middle School and Ketcham and Leckie Elementary Schools who were lost in the September 11 attacks. The memorial will be on display until September 19.

ART: There’s so much art to see this weekend. Our Arts Agenda has all the information on the literally dozens of events going on around town this weekend.

FOOD & DRINK: If you prefer your meals to provide tactile stimulation in the form of of meat skyscrapers, pizza in pill form, or colorful arrangements of nonsense with a side of avant-guard, then banished? productions’ Tactile Dinner Car is for you. The event, inspired by F.T. Marinetti’s Futurist Cookbook, rolls into Flashpoint Gallery (916 G Street) with a reception from 6 to 8 p.m. Free, eat the food for $25; tickets and a schedule of activation events can be obtained here.

LIVING HOUSE: The minds behind Bluebrain have created a “2-night sound installation that transforms a house at 1337 H Street NE into a walk-through sonic experience.” The house opens tonight at 8, and will remain open until Saturday at 11:30 p.m. Getting into the house is free, but you need to make an appointment — email livinghousereservations@gmail.com with your name, the night you would like to attend, your preferred time slot (tours run every half hour, on the half hour from 8:30 to 11) and the amount of people in your party.

THEATER: New shows at 1st Stage (Don’t Dress for Dinner), American Century (The Country Girl), Taffety Punk (an all-girl Much Ado About Nothing) and Arena Stage (Alice Childress’ Trouble In Mind) open tonight.

FUNDRAISER: WGIRLS DC hold a benefit in support of D.C. Farm to School network, proceeds of which go to the Seedling Project that provides new plants for local school gardens, at The Blue Banana (3632 Georgia Avenue NW). 6:30 – 9:30 p.m.

SATURDAY

9/11: At noon, children from across the District will come to Hains Point for the Passing of the Peace Rose Petal Ceremony, during which they’ll spread white rose petals on the Potomac as a symbol of peace. The mayor and several city officials are slated to attend.

TALK: The National Museum of the American Indian hosts “a conversation about the planning of for a sustainable, green, and just Greater DC Region” — the discussion is free and open to the public and begins at 9:45 a.m.

BEER: Like beer? Like jazz? Then stop by Churchkey (1337 14th Street NW), where the bar will hold a craft beer tasting to benefit the Thelonius Monk Institute of Jazz. The event will feature rare beers from the North Coast Brewing Company. 2-6 p.m.

NERD NITE: DC9 (1940 9th Street NW) is once again host to Nerd Nite. This month’s edition features presentations on Injury Healing in Dinosaurs, the Marvel Universe and viruses, as well as music from Aaron Bowers. 6:30 p.m.

BRUNCH: The H Street Chalk Walk and Brunch Around, promises artistic teams working on creations in front of 24 H Street businesses. The chalk drawings — done on canvas, not on H Streets pretty new sidewalks — will be displayed for all to see between 3 and 6:30 p.m. Then, a party begins at Little Miss Whiskey’s Golden Dollar (1104 H Street NE) where the best drawings will be rewarded. Walk begins at 10 a.m.

TRIATHLON BIATHLON: The Nation’s Triathlon — which is now a biathlon — takes place all weekend — so be sure to watch out for road closures along the route.

FOOD & DRINK: H Street Bakes, a monthly pop-up bake sale featuring bakers from H Street NE and the neighborhoods surrounding it, sets up shop again at The Pug (1234 H Street NE), hawking the always-popular Crunkcakes. 11 a.m.-3 p.m.

>> Pearl Dive Oyster Palace & Black Jack (1612 14th Street NW) host a pre-opening party to raise $200,000 to build a state-of-the-art kitchen at the Washington Nationals Diabetes Care Complex at Children’s National Medical Center. Tickets, which include food and access to a cash bar, are $30 in advance, $40 at the door. 6 p.m.- 1:30 a.m.

DOGGIES: Bring your dog to the pool! The District’s third annual Doggie Day Swim takes place on Saturday at the Upshur Pool (4300 Arkansas Avenue NW) and Banneker Pool (2500 Georgia Avenue NW). Noon to 4:00 p.m.

MUSIC: The Virgin Mobile FreeFest returns for its third year at Merriweather Post Pavilion (10475 Little Patuxent Parkway, Columbia), offering a diverse line-up headlined by TV on the Radio, The Black Keys, Deadmau5, and Cee Lo Green. James Murphy (who closed out last year’s festival with the since-retired LCD Soundsystem) returns for a DJ set, and punk-rock icon Patti Smith makes a must-see appearance. Other attractions include the irrepressible dance-punk grooves of !!! and the ultra-melodic indie-pop of Two Door Cinema Club. Free tickets are long gone, but fans can still gain entry with the purchase of the (ill-named) “Fan ePak,” which includes a general admission ticket and assorted festival paraphernalia. $49.50. 11 a.m.

>> Two 1980s hip-hop stalwarts, Biz Markie and Slick Rick will be at The Park (920 14th Street NW). 9 p.m.

>> Again, more music in Weekly Music Agenda! Go!

>> Also: a whole bunch of jazz options in This Week in Jazz. Go!

ART: Returning for its 19th year, the Arts on Foot festival brings two days of visual art, music, performance, food, and even a wine tasting to Penn Quarter this weekend. The juried art market features 115 exhibitors with work ranging from ceramics, fiber art, glass, painting, photography, jewelry and more, so bring plenty of cash along for all the things you’ll want to buy. Preview the program festival for a complete schedule of events and even plan your route using the festival map. 11 a.m. to 7 p.m. Saturday, 11 a.m. to 6 p.m. on Sunday.

>> The Alexandria Festival of the Arts lines King Street with over 200 juried artist-vendor exhibits during the free two-day event, from 10 a.m. to 7 p.m. Saturday and 10 a.m. to 5 p.m. Sunday, spawning events throughout Old Town, including The Torpedo Factory’s 5th Annual Art Activated from 12 to 4 p.m. and The Art League’s Ice Cream Bowl Fundraiser – for $15, pick a handmade bowl to fill with your choice of local artisan ice cream, plus other events, all for free.

CRAFTS: The next edition of the Ballston Arts & Crafts market (Welburn Square between North Stuart and North 9th Streets, Ballston) features Jule’s Jewels, “everyone’s favorite local jeweler,” as well as 35 other vendors.

SMALL PRESS EXPO: I regrettably forgot to include this on first publish, but the comic book geek-out that is the Small Press Expo is this weekend in Bethesda. It’s Monkeyrotica-approved, so you know it’s good.

SUNDAY

9/11: The District’s official 9-11 Anniversary Tribute begins at 1 p.m. on Freedom Plaza (Pennsylvania Avenue between 13th and 14th Streets NW), and aims to “rekindle the spirit of service that emerged following the attacks,” as well as showcase local nonprofits. There will also be a 9-11 Remembrance Mural painted on the Plaza.

>> Then, at 5 p.m., the First Baptist Church of the City of Washington, D.C. (1328 16th Street NW) will host a Candlelight Service of Remembrance, honoring the lives of D.C. residents who were killed ten years ago.

>> To mark the tenth anniversary of the September 11 terrorist attacks, the American History Museum (1400 Constitution Avenue NW) has created a special experience for visitors to view 50 objects from the three sites — New York City, the Pentagon and Shanksville, Pennsylvania — in September 11: Remembrance and Reflection. Artifacts on display include airplane fragments, a door from a crushed FDNY fire truck, a Pentagon map from the building’s second floor, and objects recovered from offices. They are presented with little interpretation in open cases along with the museum’s recent acquisitions related to how American lives have changed since September 2001.

>> CapitalBop presents a jazz driven tribute on Sunday at the Red Door (443 I Street NW). The lineup includes Cricket Fusion, bass clarinetist Todd Marcus, saxophonist Brent Birckhead and Brian Settles, who will lead musical meditation for the occasion. 7 p.m. $10 suggested donation.

>> The Newseum (555 Pennsylvania Avenue NW) is offering free admission on September 10 and 11. While visiting, be sure to check out G-Men and Journalists: Top News Stories of the First Century exhibit to include War on Terror: The FBI’s New Focus. This expanded section will review the FBI’s changed mission after 9/11. Sixty new artifacts, including engine parts and landing gear from the airliners that crashed into the World Trade Center, will be added to the gallery to illustrate the FBI’s efforts to fight terrorism.

>> The weekend’s remembrances concludes with A Concert for Hope, during which President Barack Obama will address the nation at the Kennedy Center (2700 F Street NW). The concert will be carried live on television and streamed online. 8 p.m.

FESTIVAL: It’s time, once again, for the Adams Morgan Day Festival — featuring lots of fun along 18th Street. (Here’s hoping this year’s goes off without incident.) Noon-7 p.m.

SPORTS: The Redskins open up with a home game against the New York Giants, which one imagines will probably hold some interest to locals. (Celebrate with a half-smoke!) 4:15 kickoff at FedEx Field.

MUSIC: The Bay Area’s Man/Miracle made a name for themselves on the strength of their kinetic, high-energy live shows, and for doing a better sonic impression of Talking Heads than Clap Your Hands Say Yeah, even pulling off a scorching cover of “Crosseyed and Painless” at San Francisco’s Bottom of the Hill a few years back. The quartet plays DC9 (1940 9th Street) on Sunday night, showcasing songs like “Up” and “Hot Sprawl” from their debut album, The Shape of Things.

>> Bilal seems to be on the road constantly and in D.C. regularly. This time around, the Philly-born vocalist will be performing from his decade worth of materials at the Birchmere (3701 Mount Vernon Avenue, Alexandria). $35. 7:30 p.m.

>> Even though the name suggests a duo, Toro y Moi is the pseudonym for Chazwick Bundick, one of electronic music’s rising stars, having performed his own creations and remixing songs for the likes of Tyler, The Creator and Neon Indian. The South Carolina native will be at the Black Cat (1811 14th Street NW). $15. 8 p.m.

JAZZ: Several years have passed since we profiled pianist Jason Moran, one of the most inventive player/composers of his generation. He will return to the District on Sunday with his band, Bandwagon, to play 7 and 9 p.m. sets in the intimacy of Bohemian Caverns (2001 11th Street NW). $20.