COMEDY The District Improv Festival features three nights of shows and two days of workshops at the Source. See over 30 different groups from across the country including former Upright Citizens Brigade artistic director Kevin Mullaney’s group Mullaney Chain and DC favorites iMusical. Through September 29. $5-$25. MUSEUMS Hang out at the National Portrait Gallery after hours at its “REMIX: The Future Is Female” event. As the title suggests, the evening celebrates women, so check out the “Votes for Women: A Portrait of Persistence” exhibit and hear female-centric tunes from DJ Farrah Flosscett. Free, 6 PM. BOOKS Journalist and Atlantic writer Ta-Nehisi Coates—who also once wrote locally for Washington City Paper—has published his first novel, The Water Dancer. Already named to Oprah’s Book Club, the story follows a young Virginia slave with strange powers and a fierce drive to reunite his family. The Between the World and Me author will do a reading at the Lincoln Theatre (Thursday 9/26 is already sold out). $45, 7 PM. THEATER The world premiere of the play West By God opens Friday at the Keegan Theatre. Two families in the Appalachia region of West Virginia deal with issues of l...