Hoops, Street Style

The nation's leading street basketball players compete in the AND 1 Mix Tape Tour Saturday at 7:30 at MCI Center, 601 F St. NW (Metro: Gallery Place-Chinatown). Tickets cost $20, $25 and $75. Before the game, three local hopefuls will be selected to join the main event from all comers at a free Open Run outside the arena. Open Run registration begins at 3:30

(a parent or guardian must accompany anyone under 18); play begins at 4.

For tickets, call Ticketmaster, 202-397-7328

(service charges added);

for information, call

202-628-3200.

Balloons Fly Away

The Flying Circus Airshow is hosting its annual Hot Air Balloon Festival Saturday and Sunday at its aerodrome in Bealeton, Va. About 20 balloons will lift off starting at 7 a.m. and 5 p.m. both days, weather permitting. The regular barnstorming air shows, with stunt fliers, wing walkers and sky divers, begin at 2:30 both days and continue on weekends through October. Admission is $10, ages 3 to 12 $3, younger free. Bealeton is on Route 17 south of Route 28, about 10 miles south of Warrenton. Call 540-439-8661 or visit www.flyingcircusairshow.com.

The Court's in Session

The Colonial-era street festival that accompanied monthly Loudoun County court sessions in the 1770s will be re-created at the 28th annual "August Court Days" Saturday and Sunday from 10 to 5 throughout Leesburg's historic district, around King and Market streets. More than 200 reenactors will portray citizens debating the issues of the day, and two militia units, a band of frontiersmen and a company of Scottish Army troops will set up camps. Mock trials will be staged based on historical records. Folk and country bands will perform on multiple stages, and vendors will offer crafts and foods. Admission is $5, ages 5 to 10 $2, under 5 free. Call 800-752-6118. See story on Page 53.

Nils Comes Home

As part of its free weekly "Timeline" concert series celebrating the history of Washington area music, singer-guitarist-songwriter Nils Lofgren presides over an outdoor tribute to his own career Wednesday at 7 at Strathmore Arts Center, 10701 Rockville Pike, North Bethesda (Metro: Grosvenor-Strathmore). Bethesda boy Lofgren joined Neil Young's band when he was 17, and since 1984 has played with Bruce Springsteen & the E Street Band. He also tours with his own band. His brother Tom, Mary Ann Redmond, Tommy Lepson, Tommy Keene, Ronnie Newmyer, Eric Brace and other local favorites will perform. No tickets are needed. Call 301-530-0540.

Glimpses of the Past

* National Colonial Farm sponsors African American Heritage Day Saturday from noon to 6 in Piscataway Park, 3400 Bryan Point Rd., Accokeek, with entertainment, storytelling, exhibits, living history portrayals and author talks. Admission is $3, under age 6 free. Call 301-283-2113.

* Alexandria and the American Indian Heritage and Education Association host an American Indian Festival Saturday from 1 to 6 at Market Square, 301 King St., with music, dancing, crafts and foods. Admission is free. Call 703-883-4686.

Fair Days in Arlington

The 28th Arlington County Fair continues through Sunday at Thomas Jefferson Community Center, 3501 S. Second St. The fair showcases Arlington's cultural diversity with exhibits, carnival rides and games, police K-9 demonstrations, pony rides, international foods, vendor tables, and duck, pig and goat races. Activities begin Friday and Saturday at 10 and Sunday at 11; indoor displays close Friday and Saturday at 9 and Sunday at 5; outdoor events continue nightly until 10. Admission is free. Free shuttles will operate from Ballston, Clarendon and Courthouse Metro stations, and free parking with shuttles will be provided at the Arlington Career Center, 816 S. Walter Reed Dr., and Washington-Lee High School, 1300 N. Quincy St. Call 703-920-4556 (TDD: 703-228-4743) or visit www.arlingtoncountyfair.org.

New on Stage

* Signature Theatre is opening its 15th season with "One Red Flower," a new musical directed by Eric Schaeffer and crafted from letters written by soldiers in Vietnam. The score is based on the rock 'n' roll rhythms of the late '60s. Emmy-winning author-composer Paris Barclay was inspired by "Dear America: Letters Home From Vietnam," edited by Bernard Edelman. Tickets cost $30 to $49. Signature is at 3806 S. Four Mile Run Dr., Arlington. For tickets, call Tickets.com, 703-218-6500; for information, call 703-820-9771.

* Woolly Mammoth Theatre Company kicks off its 25th anniversary season with the world premiere of "Lenny & Lou," opening with "pay-what-you-can" previews Monday and Tuesday at 8 at the D.C. Jewish Community Center, 1529 16th St. NW. Howard Shalwitz and Nancy Robinette star in Ian Cohen's comic tale of two New York brothers who can't untangle themselves from their manipulative mom. The bargain seats go on sale at the box office 90 minutes before each show. The run continues through Oct. 7; regular prices are $32 to $42. Call 800-494-8497 or 202-393-3939.

* Suzan-Lori Parks recounts the story of 1810 London carnival hucksters who displayed a South African woman as the "Venus Hottentot" in "Venus," opening with a "pay-what-you-can" preview Tuesday at 7:30 as part of the Potomac Theatre Festival at Olney Theatre Center, 2001 Olney-Sandy Spring Rd., Olney. The bargain seats go on sale at the box office an hour before the show. Performances continue through Sept. 26; regular prices are $15 to $36. Call

301-924-3400.

'Wildflower' at Wolf Trap

Venerable folkie Judy Collins brings her Wildflower Festival tour to Wolf Trap Saturday at 8, sharing the stage with Rita Coolidge ("Higher and Higher"), Suzanne Vega ("Luka") and Eric Weissburg ("Dueling Banjos"). Tickets in the Filene Center at Wolf Trap Park, 1551 Trap Rd., Vienna, cost $34; lawn space is $20. To order, call Tickets.com, 703-218-6500 (service charges added); for information, call

703-255-1860.

Vintages of Virginia

Sample hundreds of wines from more than 45 Virginia wineries, taste specialties from about 30 area restaurants, explore a crafts fair and enjoy all-day entertainment at the 29th annual Virginia Wine Festival Saturday and Sunday from 11 to 6 at a new location this year: Historic Long Branch Farm in Millwood, Va. Tickets cost $22 at the gate and include a wine glass and tastings, under age 21 $5 (no samples), under 2 free. Designated drivers pay $16 and get free soft drinks. Long Branch Farm is about 60 miles west of Washington and 10 miles east of Winchester on Route 624 north of U.S. 50. Call 800-520-9670 or visit www.showsinc.com.

-- Compiled by Barry Barriere

Nils Lofgren is the guest of honor Wednesday at Strathmore.