What's Happening

Arts and Crafts

CABOCHON CLASS --9 a.m.-3 p.m. Saturday. Learn how to use rock-cutting and polishing equipment to make a cabochon with provided supplies. Age 18 and older. Clearwater Nature Center, 11000 Thrift Rd., Clinton. $30; nonresidents of Prince George's and Montgomery counties, $36. 301-297-4575.

SPRING POTTERY SALE --11 a.m.-4 p.m. Saturday. Local artists sell functional artworks. Langley Park Community Center, 1500 Merrimac Dr., Hyattsville. Free. 301-445-4508.

Concerts

U.S. AIR FORCE CHAMBER BAND --8 p.m. today and every Thursday, through May 15. The Bolling Air Force Base Chamber Players performs chamber music throughout the season. Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. Free. 301-203-6070.

BRENTANO STRING QUARTET --8 p.m. today. The quartet, with Mark Steinberg and Serena Canin on violin, Misha Amory on viola and Nina Maria Lee on the cello, perform later works of Mozart, Elliott Carter, Bach and Bartók, with guest pianist Thomas Sauer. Clarice Smith Performing Arts Center, Gildenhorn Recital Hall, University of Maryland, Route 193 and Stadium Drive, College Park. $35; students, $7. 301-405-2787.

WARNER WILLIAMS AND JAY SUMMEROUR --8 p.m. tomorrow. The duo Little Bit a Blues featuring local blues musician Warner Williams and harmonica player and percussionist Jay Summerour; part of the Montpelier Folk and Blues Series. Montpelier Arts Center, 9652 Muirkirk Rd., Laurel. $20; seniors and center members, $18. 301-953-1993.

U.S. ARMY ORCHESTRA IN CONCERT --4 p.m. Sunday. Produced and presented by the U.S. Army Orchestra, the performance will include selections from opera scores of Verdi and Puccini, and scenes from Prokofiev's ballet "Romeo and Juliet." Clarice Smith Performing Arts Center, Dekelboum Concert Hall, University of Maryland, Route 193 and Stadium Drive, College Park. Free. 301-405-2787.

SPANISH HARLEM ORCHESTRA --7:30 p.m. Sunday. Pianist and arranger Oscar Hernandez leads the orchestra, well known in contemporary Hispanic culture and Latin jazz circles. Clarice Smith Performing Arts Center, Kay Theatre, University of Maryland, Route 193 and Stadium Drive, College Park. $35; students, $7. 301-405-2787.

AFRICAN DRUM ENSEMBLE --7:30 p.m. Monday. The University of Maryland African Drum Ensemble premieres a concert-length performance. Based on contemporary and traditional Manding kora melodies played on dunun, djembe, and water gourds, it will include performances by the Montgomery College Chamber Orchestra musicians and vocalists and drummers from the Memory of African Culture. Clarice Smith Performing Arts Center, Kay Theatre, University of Maryland, Route 193 and Stadium Drive, College Park. Free. 301-405-2787.

Exhibitions

"SIX FRIENDS" --8:30 a.m.-9:45 p.m. Mondays-Thursdays, 8:30 a.m.-4:45 p.m. Fridays and 10 a.m.-3:45 p.m. Saturdays, through June 7. Maryland friends Gordie Corbin, Ross Emerson, Joel Hoffman, Bob Peavy, Judy Switt and Anita van Rooy showcase their photography. Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. Free. 301-203-6070.

LAUREL ASIAN PACIFIC HERITAGE ART --10 a.m.-5 p.m. daily, through May 30; reception, 2-4 p.m. Sunday. Japanese artist Shinji Turner-Yamamoto's works focus on the effect elements such as rainwater, soot and vegetation have on items the artist finds in nature through his travels. Del Kun Chen, a Chinese American from Maryland, combines photograms and other technologies to create the works in "Cubogramy," his ongoing series that includes images of objects shot with a pinhole camera. Gen Aihara, a Japanese photographer, shoots water within its environment. Montpelier Arts Center, 9652 Muirkirk Rd., Laurel. Free. 301-953-1993.

MONTPELIER INSTRUCTORS EXHIBITION --10 a.m.-5 p.m. daily, through May 27. Art instructors who teach in the Montpelier class program showcase their works in the Library Gallery. Montpelier Arts Center, 9652 Muirkirk Rd., Laurel. Free. 301-953-1993.

CAROLYN DUTKY ROMANO --10 a.m.-5 p.m. Saturdays-Thursdays, through May 25. The resident printmaker shows new works in the Resident Artist Gallery. Montpelier Arts Center, 9652 Muirkirk Rd., Laurel. Free. 301-953-1993.