Jake Johannsen This stand-up comedian with a stuttering style has appeared on “The Late Show With David Letterman” more than 40 times. Thursday at 8 p.m., Friday-Saturday at 8 and 10:30 p.m., Sunday at 8 p.m. DC Improv, 1140 Connecticut Ave. NW. 202-296-7008. www.dcimprov.com. $17-$20.
Dixie Power Trio This Fredericksburg group plays zydeco, Cajun and Louisiana funk as part of the Jazz in the Garden series. 5-8:30 p.m. National Gallery of Art, Sculpture Garden, Seventh Street and Constitution Avenue NW. 202-289-3360. 202-289-3360. www.nga.gov. Free.
AT&T Nation’s Football Classic The Morehouse College Maroon Tigers face off against the Howard University Bison for the 35th time. 3:30 p.m. RFK Stadium, 2400 East Capitol St. 800-266-9432. www.nationsfootballclassic.com. $25-$50.
D.C. Blues Festival The 24th annual festival includes performances by Sista Monica Parker, Sugar Ray & the Bluetones, the Lionel Young Band, Clarence “The Blues Man” Turner and more. Noon. Carter Barron Amphitheatre, 4850 Colorado Ave. NW. 202-426-0486. www.dcblues.org. Free.
KanKouran West African Dance Company The troupe performs “Women’s Work,” a compilation of original works choreographed by its women, and works by artistic director Assane Konte. 8 p.m. George Washington University, Lisner Auditorium, 730 21st St. NW. 202-994-6800. www.lisner.org. $25.
Fresh Produce This annual festival, offering looks at emerging artists, theater, film and other projects, closes Sunday. The Fridge DC, 516 Eighth St. SE. 202-664-4151. www.thefridgedc.com. www.freshproducedc.tumblr.com. Prices vary.
Julia Child’s kitchen The chef’s copper pots, pans, utensils and TV set remain on view until Monday, when the kitchen will close again until it is fully refurbished and open to the public for good (expected to be in the fall). Through Monday. National Museum of American History, 14th Street and Constitution Avenue NW. 202-633-1000. www.americanhistory.si.edu. Free.
“Manifest: Armed” Gun culture is explored by four artists (Sarah Frost, Julian Oliver, Colin Beatty and Craig Smith) in installation, video and performance. Closes Sunday. Corcoran Gallery of Art, 500 17th St. NW. 202-639-1700. www.corcoran.org. Museum admission: $10, seniors and students $8, military and age 11 and younger free. Saturday, free for all.
“In Vibrant Color: Vintage Celebrity Portraits from the Harry Warnecke Studio” Twenty-four portraits taken by pioneering New York Daily News photographer Harry Warnecke, including Lucille Ball, Jackie Robinson, Gene Autry, W.C. Fields and others used an early color film process. Closes Monday. National Portrait Gallery, Eighth and F streets NW. 202-633-1000. www.npg.si.edu. Free.
Mini golf The National Building Museum serves up a putting green with holes designed by local architecture firms. Through Monday. National Building Museum, 401 F St. NW. 202-272-2448. www.nbm.org. $5 per round per person. $3 with museum admission: $8; seniors, students and ages 3-17 $5; age 2 and younger free.