FRIDAY: >> Octogenarian fiddler Joe Thompson (at right), said to be the last black traditional string band player, plays a free show at The Kennedy Center’s The Millennium Stage with fellow folk musicians Wayne Martin on fiddle and Bob Carlin, a clawhammer style banjoist. 6 p.m. >> Space rockers The Gulf sold out their D.C. show in April, and are coming back to play at the Red and the Black with the Joonies, Twin Earth,…

>> Tonight, The Alfred Mojica Band, a latin-jazz ensemble, performs at The Bossa Bistro & Lounge. Call 202-667-0088 for details. >> On Thursday, guitarist Robben Ford (pictured), an alum of Miles Davis’ band, takes the stage for a four night stand at Blues Alley. Tickets to the daily 8 p.m. and 10 p.m. sets are available here. $35 + $10 food/drink minimum. >> HR-57 has some cool things going on this weekend. On Friday, saxophonist…

>> Our first item this week has absolutely nothing to do with jazz but it’s just too noteworthy not to mention. This week, The Millennium Stage hosts the 2007 Coupe Mondiale World Accordion Championships. Tonight through Sunday, each free 6 p.m. concert will showcase a different internationally renowned accordion ensemble. Admit it, you’re curious. >> As we told you yesterday, trumpeter Terence Blanchard will be celebrating the release of his new album with a four…

FRIDAY: >> The Millennium Stage Conservatory Project concludes this weekend at the Kennedy Center. Promising young musicians from the nation’s best conservatories will be giving free concerts in the Terrace Theater: Eastman School of Music (tonight), Jacobs School of Music, Indiana University (Saturday), and Shepherd School of Music, Rice University (Sunday). All concerts begin at 6 p.m. and can also be experienced by live simulcast through the Millennium Stage Web site. >> Garrison Keillor brings…