Morris Debuts at Wolf Trap

The innovative Mark Morris Dance Group appears Tuesday at 8:30 at Wolf Trap Park, 1551 Trap Rd., Vienna. In its first visit to Wolf Trap, the company will dance four of Morris's best-known works: "A Lake," first performed by the White Oak Dance Project; "Grand Duo" (which one critic called "a marvelous thumping ritual"); "Serenade," a solo work for Morris himself; and "V," dedicated to the City of New York in 2001. Tickets in the Filene Center cost $24 to $32; lawn seats are $10. To order, call Tickets.com, 703-218-6500; for information, call 703-255-1860.

Alexandria Salutes USO

The City of Alexandria hosts "Alexandria Salutes! A USO Weekend," a tribute to the World War II generation, Friday through Sunday with free and ticketed events across the city. The Tom Cunningham Orchestra plays at a swing dance Friday at 8 at the Torpedo Factory Arts Center, 105 N. Union St. Tickets are $20. The Alexandria Citizens Band performs Friday at 7:30 in Market Square, 301 King St., where a free music festival and a display of World War II-era vehicles will be staged Saturday from noon to 5. "Of Thee I Swing," a big-band music and dance revue, is scheduled Friday and Saturday at 8 at the Old Town Theater, 8151/2 King St. ($22); and "Letters From the Front," a touring play incorporating excerpts of letters from soldiers at war, visits Friday and Saturday at 8 and Sunday at 2 at George Washington Masonic National Memorial, 101 Callahan Dr. ($26). Call 888-738-2764 or 703-838-5005 or visit www.funside.com.

Free Concerts by NSO

The National Symphony Orchestra is performing two free concerts Friday and Saturday at 7:30 at Carter Barron Amphitheatre, in Rock Creek Park at 16th Street and Colorado Avenue NW. Friday, in "The Spirit of Adventure," Joan Landry conducts music by Leonard Bernstein, Mozart, Still, Saint-Saens and Dvorak. Saturday, "An All-American Salute" conducted by Emil de Cou features movie themes by John Williams, excerpts from Aaron Copland's "Billy the Kid" and "Rodeo," and light classics by other American composers. No tickets are needed. A musical instrument "petting zoo" begins each night at 6:45. Call 202-426-0486 or 202-254-2468.

The Lilies Are In Bloom

Enjoy more than 75 varieties of blooming lilies and lotus plants at Waterlily and Founders Day Saturday from 11 to 2 at Kenilworth Park and Aquatic Gardens, Anacostia Avenue and Douglas Street NE. There will also be guided tours of the park and its greenhouses, mini-workshops on water gardening, nature videos and children's entertainment. Admission is free. Call 202-426-6905.

Sounds Around Town

* Country music star Reba McEntire sings Saturday at 7:30 at Baltimore's 1st Mariner Arena, 201 W. Baltimore St., in a concert to benefit the Cystic Fibrosis Foundation. The Hard Travelers open the show. Tickets cost $27.50 to $65 from Ticketmaster. To order, call 202-397-7328 or 410-547-7328 (service charges added); for information, call 410-628-0795.

* Veteran jazz vibraphonist Roy Ayers headlines a free concert Saturday at 8 at Fort Dupont Park, at Minnesota Avenue and Randle Circle SE. Indigo is the opener. The 28th season of free weekly shows by local and national stars continues Saturdays through Aug. 14. No tickets are needed. Call 202-426-5961 or 202-619-7222.

Art of the Islamic World

The National Gallery of Art is hosting "Palace and Mosque: Islamic Art From the Victoria and Albert Museum," about 100 examples of textiles, ceramics, glass, metalwork, woodwork, calligraphy and other treasures on an international tour from one of the world's leading collections of Islamic art. The show opens Sunday and continues through Feb. 6 in the East Building, at Fourth Street and Constitution Avenue NW (Metro: Archives-Navy Memorial). The National Gallery is open Monday through Saturday from 10 to 5 and Sunday from 11 to 6. Admission is free. Call 202-737-4215.

Baltimore Throws a Party

Isaac Hayes, Wyclef Jean, the Violent Femmes and Arrested Development are among the headliners on multiple indoor and outdoor stages at Artscape 2004, Baltimore's annual celebration of the arts, in Charm City's "Cultural Corridor" near the Lyric Opera House, the Joseph Meyerhoff Symphony Hall and the Maryland Institute College of Art. There will also be performances by the Baltimore Symphony Orchestra, the Baltimore Opera, and dance and theater troupes; art exhibits and an arts and crafts fair; a literary showcase; children's entertainers; and food vendors. The festival will be open Friday from 4 to 10, Saturday from noon to 10 and Sunday from noon to 8. Hayes performs Friday at 7, followed by the Commodores; Wyclef Jean takes the stage Saturday at 8:30; and Arrested Development plays Sunday at 4:30, followed by Steel Pulse. Admission and most activities are free. Call 877-225-8466 or visit www.artscape.org.

Sally Field Joins 'Menagerie'

Concluding the Kennedy Center's "Tennessee Williams Explored" series, Sally Field stars as Amanda Wingfield in "The Glass Menagerie," Williams's portrait of an aging mother, her frustrated son and her fragile daughter struggling to endure the Great Depression and their own memories, opening Saturday in the Eisenhower Theater (Metro: Foggy Bottom-GWU, with free shuttles). Performances continue through Aug. 8. Tickets cost $25 to $75. Call 202-467-4600 (TDD: 202-416-8524).

Airborne Wheels

Skateboard legends Tony Hawk and Bucky Lasek, joined by other top-ranked "vertical skaters" and BMX riders, defy gravity at the Scion Thrash & Jam Saturday and Sunday from 12:30 to about 5:30 outside the Baltimore Ravens' M&T Bank Stadium, on Russell Street near the Inner Harbor. Local bands will play through the afternoon. Tickets are $15, ages 2 through 12 $10 (younger free), from Ticketmaster. To order, call 202-397-7328 or 410-547-7328; for information, call 410-605-9381. See related story on Page 30.

-- Compiled by

Barry Barriere

The Mark Morris Dance Group performs four works Tuesday in its first appearance at Wolf Trap Park; Kenilworth Park and Aquatic Gardens hosts Waterlily and Founders Day Saturday; Wyclef Jean sings Saturday during Baltimore's three-day Artscape 2004.A 13th-century glazed dish from "Palace and Mosque," opening Sunday at National Gallery of Art.