Pop | Rock | Folk | Jazz | Etc.

IZOLDA -- Friday at noon. Free. The Old Post Office Pavilion, 1100 Pennsylvania Ave. NW. 202-289-4224.

THE CROSSROADS ENSEMBLE -- Friday at 1:15. Free. McNeir Hall, Georgetown University, 37th and O NW. 202-687-6933.

THE CROSSROADS ENSEMBLE -- Friday at 7. Free. Embassy of Venezuela, 2443 Massachusetts Ave. NW. 202-342-6848.

SWEET HONEY IN THE ROCK -- Friday at 7:30. Warner Theatre, 13th and E NW. 202-397-7328 or 202-783-4000.

CHRISTINA CRERAR, Robert Sykes & Chris Battistone, Friday at 7:30. Embassy of Switzerland, 2900 Cathedral Ave. NW. 202-686-8000.

DAVE VALENTIN -- Friday at 7:30. Rouse Theater, Wilde Lake High School, 5460 Trumpeter Rd., Columbia. 410715-7539.

U. OF MARY WASHINGTON Jazz Ensemble, Friday at 7:30. Free. Woodard Campus Center, University of Mary Washington, 1301 College Ave., Fredericksburg. 540-654-1012.

THE CEDAR WALTON TRIO -- Friday at 7:30 and 9:30. KC Jazz Club, Kennedy Center Terrace Gallery, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

ANGIE STONE and Anthony Hamilton, Friday at 8. DAR Constitution Hall, 18th and D NW. 202-397-7328 or 202-628-4780.

JENNIFER CUTTING'S OCEAN Orchestra, Friday at 8:30. St. John's United Methodist Church, 5315 Harford Rd., Baltimore. 410-521-9099.

SOSA -- Saturday at 1. Free. The Old Post Office Pavilion, 1100 Pennsylvania Ave. NW. 202-289-4224.

THE CROSSROADS ENSEMBLE -- Saturday at 6. Free. Millennium Stage, Kennedy Center Grand Foyer, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

JOHN EATON & TOMMY Cecil, Saturday at 7:30. Baird Auditorium, National Museum of Natural History, 10th and Constitution NW. 202-357-3030.

JIMMY VIVINO, AL KOOPER, Rich Pagano & Mike Merritt, Saturday at 7:30. The Barns of Wolf Trap, 1635 Trap Rd., Vienna. 703-218-6500 or 703-938-2404.

HANGFIRE -- Saturday at 7:30. Holy Cross Lutheran Church, 1090 Sterling Rd., Herndon. 703-437-1883.

AIR FORCE AIRMEN OF NOTE -- Saturday at 8, with Ron Carter. Free. Cramton Auditorium, Howard University, 2455 Sixth St. NW. 202-767-5658.

JANE VOSS & HOYLE OSBORNE -- Saturday at 8. Glen Echo Town Hall, 6106 Harvard Ave., Glen Echo. 202-546-2228.

AHDAIYAH -- Saturday at 8. Publick Playhouse, 5445 Landover Rd., Cheverly. 301-324-6900 or 202-797-8110.

FRED HERSCH -- Saturday at 8 and 10. An Die Musik, 409 N. Charles St., Baltimore. 410-385-2638.

THE DIXIE POWER TRIO -- Sunday at 2. Free. The Old Post Office Pavilion, 1100 Pennsylvania Ave. NW. 202-289-4224.

SIMA BINA & THE DASTAN Ensemble, Sunday at 7. Lisner Auditorium, 730 21st St. NW. 202-397-7328 or 202-994-6800.

BILL FRISELL, VIKTOR Krauss & Kenny Wollesen, Sunday at 7:30. The Barns of Wolf Trap, 1635 Trap Rd., Vienna. 703-218-6500 or 703-938-2404.

PAT MARTINO -- Sunday at 7:30. Kay Theatre, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

DENNIS SOBIN -- Monday at noon. Free. The Old Post Office Pavilion, 1100 Pennsylvania Ave. NW. 202-289-4224.

THE AL-KINDI ENSEMBLE -- Monday at 6. Free. Millennium Stage, Kennedy Center Grand Foyer, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

AARON KARO -- Monday at 7:30. Lisner Auditorium, 730 21st St. NW. 202-397-7328 or 202-994-6800.

JODY MARSHALL -- Monday at 8. Sponsored by the Institute of Musical Traditions at Unitarian Universalist Church of Silver Spring, 10309 New Hampshire Ave., Silver Spring. 301-754-3611.

LEON EDWARDS -- Tuesday at noon. Free. The Old Post Office Pavilion, 1100 Pennsylvania Ave. NW. 202-289-4224.

AVRIL LAVIGNE -- Tuesday at 8. Patriot Center, George Mason University, 4400 University Dr., Fairfax. 202-397-7328 or 703-993-3000.

REBBESOUL POWER PERCUSSION Trio -- Tuesday at 8. Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

YVONNE JOHNSON -- Wednesday at noon. Free. The Old Post Office Pavilion, 1100 Pennsylvania Ave. NW. 202-289-4224.

JULIET WYERS -- Wednesday at 6. Free. Millennium Stage, Kennedy Center Grand Foyer, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

GEOFF REECER -- Thursday at noon. Free. The Old Post Office Pavilion, 1100 Pennsylvania Ave. NW. 202-289-4224.

"GERMAN-AMERICAN SONG Festival On Tour," Thursday at 6. Free. Millennium Stage, Kennedy Center Grand Foyer, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

PRAZSKY VYBER -- Thursday at 6:30. Free. Czech Embassy, 3900 Spring of Freedom St. NW. 202-274-9100.

U. OF MARYLAND AFRICAN Drum Ensemble, Thursday at 7:30. Dekelboum Concert Hall, Clarice Smith Performing Arts Center, University of Maryland, Route 193 and Stadium Drive, College Park. 301-405-2787.

TOWSON U. BIG BAND -- Thursday at 8:15. Stephens Hall, Towson University, 8000 York Rd., Towson. 410-704-2787.

Dancing

THE MAMMALS -- Friday at 8:30; contra lesson at 7:30. Spanish Ballroom, Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. 202-691-7394 or 301-320-2330.

THE NIGHTHAWKS -- Friday at 9; swing lesson at 8:30. Chevy Chase Ballroom, 5207 Wisconsin Ave. NW. 703-359-9882.

ROCKIN' BONES -- Friday at 9; swing lesson at 8. Washington Hilton Dulles Airport, 13869 Park Center Rd., Herndon. 703-359-9882.

THE DARYL DAVIS BAND -- Saturday at 9; swing lesson at 8. Spanish Ballroom, Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. 301-340-9732 or 301-320-2330.

COLVIN RUN DANCE BAND -- Saturday at 9; fox trot lesson at 8. Colvin Run Schoolhouse, 10201 Colvin Run Rd., Great Falls. 703-430-3342.

HONEYSUCKLE ROSE -- Sunday at 3:30; waltz lesson at 3. Spanish Ballroom, Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. 703-978-0375 or 301-320-2330.

THE MAMMALS -- contra dancing, Sunday at 7:30. Sponsored by the Folklore Society of Greater Washington. Spanish Ballroom, Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. 202-546-2228 or 301-320-2330.

ALEXANDER MITCHELL & FRIENDS -- square dancing, Tuesday at 8:30. Cherry Hill RV Park Conference Center, 9800 Cherry Hill Rd., College Park. 301-762-2231 or 410-268-0231.

WAYNE HANCOCK -- Tuesday at 9. Clarendon Ballroom, 3185 Wilson Blvd., Arlington. 703-359-9882.

COLLEEN REED, KEITH GILLIS & Jeff Steinberg, English country dancing, Wednesday at 8. Glen Echo Town Hall, 6106 Harvard Ave., Glen Echo. 202-546-2228.