Pop | Rock | Folk | Jazz | Etc.

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

DEANNA BOGART -- Friday at 5. Free. Crystal Park 2, 2121 Crystal Dr., Arlington. 703-228-1850 or 703-922-4636.

POLYPHONIC SPREE -- Friday at 6. Free. South Plaza Stage, Kennedy Center, 2700 F St. NW. 202-467-4600 or 800-444-1324 (TDD: 202-416-8524).

NATIONAL HERITAGE FELLOWS -- Friday at 7:30, performances and other presentations by winners of the 2004 National Endowment for the Arts National Heritage Fellowships. Free, but tickets required. Lisner Auditorium, 730 21st St. NW. 301-565-0654 or 202-994-6800.

FREDDY COLE -- Friday and Saturday 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).

DAVEY YARBOROUGH & ESTHER Williams, Friday at 8. Montpelier Cultural Arts Center, 12826 Laurel-Bowie Rd., Laurel. 301-953-1993.

BALTIMORE JAZZ FACTORY -- Friday at 8. Slayton House, 10451 Twin Rivers Rd., Columbia. 410-531-4990.

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

BLUEGRASS FESTIVAL -- Saturday 1 to 8, with Waitin' on a Train, Orange Line Special, Ramblin' Heart, the Satyr Hill Band and others. A benefit for Disabled American Veterans. American Legion Post 238, Route 231, Hughesville, Md. 301-737-3004 or 301-274-3522.

THE ARTIE SHAW ORCHESTRA -- Saturday at 7:30. Fairfax High School, 3500 Old Lee Hwy., Fairfax. 703-273-2547.

RASCAL FLATTS -- Saturday at 7:30. Alumni Hall, U.S. Naval Academy, Annapolis. 410-293-8497.

METROPOLITAN JAZZ ORCHESTRA -- "A Tribute to Tito Puente," Saturday at 8. Center for the Arts Concert Hall, George Mason University, 4400 University Dr., Fairfax. 703-218-6500 or 703-993-8888.

AIR FORCE AIRMEN OF NOTE with drummer Duffy Jackson, Saturday at 8. Free. Cramton Auditorium, 2455 Sixth St. NW. 202-767-5658.

EVA AYLLON -- Saturday at 8. The Lincoln Theatre, 1215 U St. NW. 202-397-7328 or 202-328-6000.

THE WHIRLING DERVISHES -- Saturday at 8. Lisner Auditorium, 730 21st St. NW. 202-397-7328 or 202-994-6800.

HOT SOUP! -- Saturday at 8. A benefit for the Maryland Consumer Rights Coalition. Sponsored by the Institute of Musical Traditions at Unitarian Universalist Church of Silver Spring, 10309 New Hampshire Ave., Silver Spring. 301-754-3611.

NRBQ -- Saturday at 8. Avalon Theatre, 40 E. Dover St., Easton, Md. 410-822-0345.

MUNDELL LOWE, CHUCK Redd & Tommy Cecil, Saturday at 8. The Theatre, 291 Gay St., Washington, Va. 540-675-1253.

ASHLEY ELISE & BENITO Gonzalez, Sunday at 2. Free. The Old Post Office Pavilion, 1100 Pennsylvania Ave. NW. 202-289-4224.

BROOKS TEGLER'S BIG BAND -- Sunday; show at 5, dance at 7. Loews Annapolis Hotel, 126 West St., Annapolis. 410-263-7777 or 410-266-7338.

RAFAEL DE UTRERA and Rafael de Carmen, Sunday at 8. Lisner Auditorium, 730 21st St. NW. 202-397-7328 or 202-994-6800.

THE KENNEDYS -- 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.

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

ROCK 'N' ROLL REVUE -- Wednesday at 11. Free. Rockville Town Center, Maryland and East Montgomery avenues, Rockville. 240-314-8600.

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

MFA KERA & AFRO-SOUL -- 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).

JANINE WILSON -- Wednesday at 7:30. Strathmore Arts Center, 10701 Rockville Pike, North Bethesda. 301-581-5100.

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

CRISTINA BRANCO -- Tuesday at 6:30. Free. Andres Bello Auditorium, Inter-American Development Bank, 1300 New York Ave. NW. 202-623-3929.

CLAUDIA ACUNA -- Thursday 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).

R. KELLY AND JAY-Z -- Thursday at 8. MCI Center, 601 F St. NW. 202-397-7328 or 202-628-3200.

THE YOUNG DUBLINERS -- Thursday at 8. The Barns of Wolf Trap, 1635 Trap Rd., Vienna. 703-218-6500 or 703-938-2404.

Dancing

THE GIGMEISTERS -- 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.

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

DAGMAR & THE SEDUCTONES -- Friday at 9; swing lesson at 8:30. Washington Hilton Dulles Airport, 13869 Park Center Rd., Herndon. 703-359-9882.

THE J STREET JUMPERS -- 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; swing lesson at 8. Colvin Run Schoolhouse, 10201 Colvin Run Rd., Great Falls. 703-430-6557.

BLUE BAMBOO -- Sunday at 3:30; waltz workshop at 3. Spanish Ballroom, Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. 301-320-2330 or 301-320-2330.

THE DEAD SEA SQUIRRELS -- 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.

LUSH LIFE -- Tuesday at 9. Clarendon Ballroom, 3185 Wilson Blvd., Arlington. 703-359-9882.

COLLEEN REED, PAUL Oorts & Liz Donaldson, English country dancing, Wednesday at 8. Glen Echo Town Hall, 6106 Harvard Ave., Glen Echo. 202-546-2228.