Photo by cesareperdomo.

MUSIC: Usually known for his ear-shattering electric-guitar assault, Dinosaur Jr. frontman J Mascis tones down the volume for an acoustic performance at the Kennedy Center’s Millennium Stage (2700 F Street NW). Free. 6 p.m.

>> The Black Cat’s Backstage (1811 14th Street NW) hosts Active Child, Com Truise, Young Athletes League. $10 advance / $12 doors. 8 p.m.

>> In case you didn’t get a chance to catch it last night, the 9:30 Club (815 V Street NW) has a second helping of Erasure and Frankmusik tonight. $45. 7 p.m.

>> Meanwhile, on H Street: the Rock and Roll Hotel (1353 H Street NE) has Twin Shadow, Diamond Rings. $15. 8:30 p.m.

>> And the Red Palace (1210 H Street NE) brings in Eternal Summers and Reading Rainbow. $10. 8:30 p.m.

FILM: The Avalon‘s (5612 Connecticut Avenue NW) Greek Cinema series features The Cow’s Orgasm, which promises a John Hughes-esque coming of age drama that takes place in the shadow of a rural slaughterhouse. 8 p.m.

THEATER: New shows open tonight at Studio Theatre (The Habit of Art), Round House (Fahrenheit 451) and No Rules Theatre Company (Stop Kiss) tonight. Check out our September Theater Preview for more information.

>> Also, now that over 100,000 people have seen the show, you can get special $45 tickets to Oklahoma! at Arena Stage (1101 6th Street SW). 7:30 p.m.

TALK: Washington Post national security reporter Dana Priest comes to Politics and Prose (5015 Connecticut Avenue NW) to discuss her new book, Top Secret America: The Rise of the New American Security State, based on Priest’s “Top Secret America” investigative series, which focuses on the American agencies prosecuting terrorism.

ART: The Heurich Gallery (505 9th Street NW) opens Natural Selection, a two-person show featuring drawings by Amy Lin and Paul Wolff. 5:30 – 7 p.m., with an artist talk at 6.