If you’re missing Crystal Castles’ sold out show tomorrow night at 9:30 Club, never fear. Sweetlife Festival announced its full lineup this morning, and the Torontonian duo will be there. So will Girl Talk. And Lupe Fiasco.

Starting his major label career at the age of 19, Lupe Fiasco found himself thrust into the limelight at an early age. While this certainly didn’t stop the Chicago MC from ascending to the top of the critical heap in just a few short years, it did have its drawbacks. Many of Fiasco’s early performances were shaky and unfocused; most attributed this to a lack of on-stage confidence, stemming from the rapper’s age and relative…

You might know him as, “the handsome grandson,” “the outta work superhero,” or by the name on his birth certificate, “Dathan Harbor.” But chances are you’ve never heard of Flex Mathews by any of his many monikers. You may have no idea that, since he moved to D.C. in 2002, a rising star has been right under your nose. The rest of the country seems to be noticing. In 2005, URB magazine named Flex one…

Monday >> Milwaukee-based indie pop quartet Maritime will be bringing their brand of sweet melodies to the Rock and Roll Hotel accompanied by the Swervedriver-inspired rock of Kansas City’s The Life and Times. We rarely get to make a Swervedriver reference, so enjoy it while you can. 8 p.m. >> Drive-By Truckers’ frontman Patterson Hood drops by the area for a show at the Birchmere in Alexandria. If you’re not familiar with the live stylings…