Labor Day Holiday Fun

The 45th annual Greenbelt Labor Day Festival features carnival rides, arts and crafts, face painting, clowns and other entertainment, Friday through Monday at the Roosevelt Center Mall, Crescent and Southway roads in Greenbelt. The festival runs Friday from 6 p.m. to midnight, Saturday 11 to 11, Sunday noon to 11 and Monday 10 to 4. Concerts will be held at 9 p.m. Friday, Saturday and Sunday, by Diamond Alley on Friday, the Nighthawks on Saturday and Pride on Sunday. On Monday, the Labor Day Parade starts at 10 and winds through historic Greenbelt. Admission is free; there is a charge for rides and food. Free shuttle buses will run from three parking areas: the Greenbelt Armory, Southway and Greenbelt roads; Greenbelt Elementary School, 66 Ridge Rd.; and Eleanor Roosevelt High School, 7601 Hanover Pkwy. Rain location: Greenbelt Community Center, next to the mall. Call 301/397-2206.

The National Symphony Orchestra, conducted by Anthony Aibel, performs a free concert of patriotic works Sunday at 8 on the West Lawn of the U.S. Capitol (Metro: Union Station, Capitol South). Call 202/467-4600.

Herndon celebrates the holiday with music and wine tastings at its Labor Day Jazz Celebration, Monday from noon to 5:30 with performances by the Brubeck Brothers, Barbara Martin Trio, Birdland Express and Caje at the Herndon Town Green, 777 Lynn St. Admission to the jazz festival is $2, children 12 and younger free. The wine tasting is $8. Call 703/787-7303, Ext. 345.

`Rent'

The Tony- and Pulitzer Prize-winning musical "Rent," inspired by Puccini's "La Boheme" and revolving around squatters, addicts and artists who have constructed a fragile haven in contemporary New York, is performed Friday at 8, and Saturday and Sunday at 2 and 8 at Wolf Trap Park's Filene Center, 1551 Trap Rd., Vienna. Tickets are $38 to $54 in-house and $20 on the lawn for the evening shows, $29 to $45 in-house and $17 on the lawn for the matinees. Order from ProTix, 703/218-6500 (service charges); for information, call 703/255-1860.

Art in the Park

More than 150 artists will display their paintings, pottery, glass, jewelry and other works at the 29th annual Labor Day Art Show, Saturday through Monday from noon to 6 at the Spanish Ballroom in Glen Echo Park, Goldsboro Road and MacArthur Boulevard in Glen Echo. An opening reception will be held Friday from 7 to 9. Admission is free. Call 301/492-6229.

African Ties

The KanKouran West African Dance Company explores the unity of the Wolof people of Senegal, who live in harmony despite ethnic differences, in "Sounougal" ("Our Boat") at its annual fund-raising concert, Saturday at 8 at George Washington University's Lisner Auditorium, 730 21st St. NW (Metro: Foggy Bottom). Tickets are $20, $17 for seniors and students, $12 for children 11 and younger. Order from Ticketmaster, 202/432-7328 (service charges). For information, call 202/518-1213.

DC Blues Festival

The Lone Star Shootout, starring guitarists Lonnie Brooks, Long John Hunter and Phillip Walker, is the headline act at the free DC Blues Fest '99, Saturday from 2 to 10 at Carter Barron Amphitheatre, 16th Street and Colorado Avenue NW. Other performers include singer Michelle "Evil Gal" Willson, acoustic bluesman Guy Davis, zydeco artist Roy Carrier & His Night Rockers, boogie-woogie pianist Daryl Davis and the Blueshounds of DC. In addition to the concerts, free workshops -- children's percussion, blues vocals, guitar and dance -- will be held from 2:15 to 6:15. Call 202/828-3028.

Rodeo Days

Bull and bronc riding, calf roping, team roping, steer wrestling, barrel racing, live music and specialty acts are featured at the Blue Ridge Rodeo Round-Up, Saturday at 7 p.m. and Sunday at 2 at Great Meadow in the Plains, Va., on Route 245, 1.5 miles south of I-66 Exit 31. Other activities include concerts by Lying Heart Saturday at 5 and Sundown on Sunday at noon. Admission at the gate is $13, $7 for children age 12 and younger. Call 800/520-9670.

Irish Festival

Performances by "Riverdance" fiddler Eileen Ivers, Cherish the Ladies, Calico, Solas, Lunasa, Mary Jane Lamond, Mick Moloney, Moving Cloud, Jennifer & Hazel Wrigley, Robbie O'Connell & Jimmy Keane and other Irish musicians, vocalists and stepdancers are showcased on six stages at the 23rd Washington Irish Festival, Saturday from noon to 10 and Sunday from noon to 8 at the Montgomery County Fairground, Route 355 and Perry Parkway in Gaithersburg. Other attractions include ceili and country set dance workshops, poetry and prose readings, crafts demonstrations and sales, and sheep dog demonstrations. Tickets are $20 at the gate (under 12 free); call 301/565-0654.

Under the Big Top

See elephants and lion-tamers, aerial artists, clowns and other dazzling acts when the Clyde Beatty-Cole Bros. Circus performs Friday at 4:30 and 7:30 at Belmont Country Club, on Route 7 three miles west of Route 28 in Ashburn (call 703/736-3190); and Saturday at 4:30 and 7:30, and Sunday and Monday at 1:30 and 4:30 at Bull Run Regional Park, 7700 Bull Run Dr. (Exit 52 off I-66), Centreville (call 703/802-5510). Reserved tickets are $14, seniors and children $9; general admission tickets are $12 and $7.