Fri.

Rockers Local H and Jucifer are at the Black Cat (202-667-7960). If you haven't heard Jucifer, you should check them out. The duo comes from Athens, Ga., but has a sharper, more metallic edge than most of the bands out of that area. You'll be surprised how loud Amber Valentine and Ed Livengood can be. Local H has been hamstrung by record label woes, but you probably remember their hooky late '90s tunes "Bound for the Floor" and "Eddie Vedder." . . . Get a taste of the New Orleans groove when the Iguanas get cooking at the Birchmere (703-549-7500). The fun roadhouse band is perfect for a night of partying. You can also catch them on Saturday at the Rams Head Tavern in Annapolis (410-268-5111).

Sat.

There could be a quiet storm brewing at Constitution Hall (202-432-7328) with the super-smooth voice of Jeffrey Osborne and the sounds of the Brothers Johnson filling the auditorium. . . . Cast Iron Filter is working the jamgrass part of the Americana music spectrum, combining roots music with bluegrass. The group can definitely play and, fortunately, their songs tend to be more focused than the average jam band's. Hear their lively show at IOTA (703-522-8340).

Tues.

Stacey Earle and Mark Stuart take the stage at the Rams Head Tavern (410-268-5111). Earle is a talented country singer-songwriter who is absolutely charming onstage. The twosome will also be at the Birchmere (703-549-7500) on April 30. And yeah, if you're wondering, she's Steve's sister. . . . Disco Biscuits have taken the very separate scenes of neo-hippie jam bands and rave culture and created an interesting amalgam. They know how to jam, but their fondness for electronica guarantees that there's also a groove in there somewhere. See the fusion at the Recher Theatre (410-337-7178). Bisco, as they're sometimes called, will also be at the 9:30 club (202-393-0930) Wednesday.

Weds.

Ira Tucker Sr., a founding member of the Dixie Hummingbirds, author Jerry Zolten and JazzTimes publisher Lee Mergner will chat about the amazing gospel group's seven-decade history at Borders (202-466-4999) at 18th and L streets. The Dixie Hummingbirds' arrangements and harmonies were influential in the genre, and songs such as "Christian Automobile" and "Trouble in My Way" made countless fans happy. . . . Sax man Greg Piccolo will be wailing at Half Moon BBQ (301-585-1290). His energetic sound mixes blues, R&B and acid jazz. Longtime music fans may remember him from the band Roomful of Blues, which he helped found.

Thurs.Granian was named the country's best unsigned artist a few years back by Spin magazine. The nom de recording of Garen Gueyikian, Granian attacks the singer-songwriter genre with aggressive guitar work. Hear him at Zig's (703-823-2777).

-- Curt Fields