>> One of the biggest names in smooth jazz, altoist David Sanborn, begins a five night stint at Blues Alley tonight with daily 8 p.m. and 10 p.m. sets. Tickets are $50 + $12.50 minimum/surcharge. >> Our first must see of the week takes place at Twins Jazz, where the club will feature three ensembles under the direction of local saxophonist Brad Linde. The University of Maryland Jazz Chamber Ensemble will play the first set…

DCist has always thought that D.C. lacks neighborhoods with a clear ethnic identity. There is no Little Italy, no Koreatown, no Pulaski Square. There is a Chinatown, but in reality, it is a Chinablock flanked by a Hooters, an Irish pub, a Chipotle and a Coyote Ugly. And while Mount Pleasant and Columbia Heights used to be a district of mainly Salvadorans, an influx of Route 42 hipsters caused Don Juan’s (corner of Lamont and…