Fri.Trio da Paz brings its mesmerizing blend of jazz and Brazilian music to the Smithsonian Jazz Cafe from 6 to 10 in the atrium of the National Museum of Natural History (www.mnh.si.edu/jazz). . . . Jazz singer Roseanna Vitro is at the Kennedy Center Jazz Club for a two-night gig (202-467-4600). . . . New Orleans-based roots rockers the Iguanas could probably use a little emotional support at the Birchmere, and they'll be taking donations for Red Cross efforts on behalf of their beleaguered city-mates (703-549-7500). . . . Atlanta trio Dropsonic melds Led Zeppelin and Fugazi at the Velvet Lounge (202-462-3213).

Sat.The Brindley Brothers headline and welcome opener Cole Guerra and his wistful alt-pop at Jammin' Java (703-255-1566). . . . La Casa Community Center (3166 Mount Pleasant St. NW) hosts cellist Amy Dominguez's Garland of Hours, producer-musician Don Zientara and singer-songwriter Stella Schindler in a benefit for Hurricane Katrina relief. . . . Arlington's Galaxy Hut (703-525-8646) presents Euro-populated Netherlands-based quartet Templo Diez and Jon Crocker and the Continental Light Brigade (Crocker is a one-man band from California). . . . Geographically adventurous Quitter U.K. (Virginia-based rockers Todd Watts, formerly of emmet swimming, and ex-Smartbombers Chuck Andrada and Scott Brotemarkle) celebrates the release of its debut album, "The Cleveland Office," at Iota (703-522-8340). . . . The Awakening Music Festival at Bull Run Regional Park in Centreville hosts the Restored Tour, headlined by contemporary Christian music star Jeremy Camp with special guests Tree63 and Bethany Dillon (703-631-0550). . . . Cello-driven goth-rocker Rasputina plays with Crooked Fingers (not literally, of course) and Tarantula Ad at the Black Cat (202-667-7960).

Sun.Check out the future of jazz guitar this afternoon as the semifinals of the Thelonious Monk International Jazz Guitar Competition are held at the Smithsonian's Baird Auditorium. The finals are Monday night at the Kennedy Center Eisenhower Theater (202-357-3030). . . . The seventh annual Black L.U.V. Festival, featuring hip-hop pioneers the Last Poets, Amiri Baraka and others, including locals KoKo Boom, Sakrid and S.P.P. (Storm the Unpredictable, Priest and Poem-Cees), is from 11 to 7 at John Marshall Park (Fourth Street and Pennsylvania Avenue NW; 202-547-2459). . . . Eight local bands, including Barakus, Evenout, Michael Jantz and Junkfood play at a day-long Capital Scene Rock for Relief benefit at the State Theatre in Falls Church (703-237-0300).

Mon.Singer-songwriter Lisa Moscatiello introduces her latest album, "Trouble From the Start," with the Space Dots at Rockville's St. Mark's Presbyterian Church (301-754-3611). . . . The Cathy Ponton King Band and special guest Thayrone play an early show at J.V.'s Restaurant in Falls Church in a benefit for Cell Phones for Soldiers, which provides overseas military personnel with prepaid calling cards (703-241-9504).

Tues.Chicago reedman Ken Vandermark brings his improv-focused Free Music Ensemble to the Black Cat Downstairs (202-667-7960).

Weds.Mississippi rapper David Banner shares a bill with Rare Essence and Publicity at Club D2 in Hyattsville (202-243-8383).

-- Richard Harrington