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One of fall’s best lineups features three bands with starkly different interpretations of indie pop: TEEN (with D.C.’s own Carpark Records) makes spare, danceable new wave, while Widowspeak delves into hazy ’70s nostalgia. But Ava Luna is the sleeper draw of the evening: The band’s genre-defying mix of slinky R&B and dissonant post-punk translates into tense, thrilling live sets. Read more in our Fall Arts Guide. Teen performs with Widowspeak and Ava Luna at 9 p.m. at Comet Ping Pong, 5037 Connecticut Ave. NW. $12. (202) 364-0404. cometpingpong.com. (Maeve McDermott)

EAT THIS

Barracks Row Balkan restaurant Ambar is introducing lunch with an array of open face sandwiches. Chef Ivan Zivkovic‘s creatives include a mixed meats sandwich with pork neck, beef prosciutto, spicy salami, goat cheese, pickled vegetables, and a Serbian spicy cheese spread called urnebes. Vegetarians can get their sandwiches with wild forest mushrooms, baby arugula, horseradish dressing, red onion, and hardboiled quail egg. Ambar will offer a choice of any two sandwiches plus a glass of wine, beer, or housemate soda for $16. There are also a variety of soups and salads. Ambar, 523 8th St. SE. (202) 813-3039. ambarrestaurant.com. (Jessica Sidman)

OH AND ALSO

Constellation Theatre combines badly behaved puppets with catchy song and dance routines in its new production of the musical Avenue Q, opening tonight at Source. 8:30 p.m. at 1835 14th St. NW. Pay what you can.

New York-based rock band Here We Go Magic performs at Rock & Roll Hotel with opening act Big Thief. 8 p.m. at 1353 H St. NE. $14–$16.

Humorist David Sedaris entertains the crowds with his tales of awkward family encounters and unrequited romance at George Washington University’s Lisner Auditorium. 8 p.m. at 730 21st St. NW. $35–$50.

The Art Museum of the Americas opens its latest exhibition, “Hidden Identities,” a collection of work inspired by the Sept. 11, 1973 coup in Chile and the 9/11 attacks in New York by Chilean artist Jorge Tacla. 6 p.m. at 201 18th St. NW. Free.

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