START TO FINISH GRADUATION SHOWCASE -- Today at 8 p.m. Twenty up-and-coming comedians take the stage after four weeks at the DC Improv Comedy School. Improv Comedy Club, 1140 Connecticut Ave. NW. $10. 202-296-7008.
DANIEL LEE -- Monday at 9 p.m. The rocker plays with Alphabet City. DC9, 1940 Ninth St. NW. $7. 202-483-5000.
DEL CIELO -- Monday at 9 p.m. The indie trio plays with In Tongues. Black Cat, 1811 14th St. NW. $7. 202-667-7960.
UNITED STATES AIR FORCE CONCERT BAND AND SINGING SERGEANTS -- Wednesday at noon. As part of the third annual summer noon concert series, the two military ensembles perform classical and popular favorites. National Air and Space Museum, Seventh Street and Independence Avenue SW. Free. 202-633-1000.
BELLFLUR -- Thursday at 9 p.m. Atmospheric indie pop. With the Parlour Scouts and Juez. Black Cat, 1811 14th St. NW. $7. 202-667-7960.
LESOLE Z. MAINE -- Today at 7 p.m. The artist from South Africa mixes traditions from his homeland with modern and hip-hop moves. Dance Place, 3225 Eighth St. NE. $18; seniors, students, teachers and artists $14; ages 17 and younger $6. 202-269-1600.
JET ARTWORKS -- Closes Saturday. Paintings by Matthew Arnold and Emily Lambert, photographs by Knut Hybinette and sculpture by Jason Robert Bell. Jet Artworks, 2108 R St. NW. Free. 202-232-4407.
TREASURES -- Through Aug. 15. To mark the museum's 25th anniversary, 73 masks and wooden sculptures go on view. Many items have not been exhibited before, including "Helmet Mask with Mother of Twins." National Museum of African Art, 950 Independence Ave. SW. Free. 202-633-4600.
DAVID GARRICK (1717 -- 1779), A THEATRICAL LIFE -- Through Aug. 28. Printed texts, manuscripts, images and objects that give insight into the life -- real and staged -- of the 18th-century English actor and writer. Folger Shakespeare Library, 201 East Capitol St. SE. Free. 202-544-4600.
SUISEKI -- Through Aug. 28. A display of weathered stones that look like objects or scenes from nature. U.S. National Arboretum, National Bonsai and Penjing Museum, 3501 New York Ave. NE. Free. 202-245-5898.
SHOMEI TOMATSU: SKIN OF THE NATION -- Through Aug. 29. Prints from the Japanese photographer's collection that comment on historic symbols of Japanese culture. Corcoran Gallery of Art, 500 17th St. NW. $8, seniors $6, students $4, younger than 12 free. 202-639-1700.
WALLS OF HERITAGE, WALLS OF PRIDE: AFRICAN AMERICAN MURALS -- Through Oct. 16. Photographs and original art that spotlight historic and contemporary murals created by blacks. Anacostia Museum and Center for African American History and Culture, 1901 Fort Pl. SE. Free. 202-633-4820.
WORDS DRAWN IN WATER -- Opens Wednesday. Through Oct. 30. Canadian-born artist Janet Cardiff's 20-minute multisensory audio walk layers sound effects. Part of the Hirshhorn's ongoing "Directions" series. Hirshhorn Museum and Sculpture Garden, Seventh Street and Independence Avenue SW. Free. 202-633-1000.
MISS INDIA DC PAGEANT -- Saturday at 6 p.m. Competitions include Indian dress, evening gown and talent. The evening also features a fashion show. Lincoln Theatre, 1215 U St. NW. $20-$35. 202-397-7328, 202-328-6800.
THE MAN FROM PLANET X -- Today at 4:30 p.m. Edgar G. Ulmer's 1951 gift to the alien-invader genre stars Margaret Field. National Gallery of Art, East Building, Auditorium, Fourth Street and Constitution Avenue NW. Free. 202-737-4215.
CAPPIES NATIONAL THEATER -- Monday at 7:30 p.m. The annual showcase of this year's best student thespians from the national program that gives high school theater and journalism students training in acting and critical writing. Kennedy Center, Theater Lab, 2700 F St. NW. $20. 202-467-4600.
THE PERSIANS -- Through Aug. 14. The Aeschylus classic anti-war play meets modern Mideast politics: Robert Auletta's translation puts the action in a Gulf War setting. Presented by Scena Theatre. Tivoli Theatre, 3333 14th St. NW. $25-$30, seniors and students $20-$25. 703-684-7990.
LES LIAISONS DANGEREUSES -- Through Sept. 4. The Actors' Theatre of Washington presents Christopher Hampton's version of the 18th-century French tale of seduction and revenge, this time with an all-male cast. Busboys and Poets, 14th and V streets NW. $26.50-$31.50. 800-494-8497.
GET LISTED. The Sunday Source lists events as space permits. E-mail or fax notices -- with dates, times, address, cost and phone number -- to email@example.com or 202-496-3537. Or mail them to Listings, Sunday Source, The Washington Post, 1150 15th St. NW, Washington, D.C. 20071-5650. Deadline is two weeks before publication date.