>> D.C. United host rivals New England in a game nationally televised on ESPN2. Posters and t-shirts await the first 10,000 and 3,000 entrants, respectively. Be sure to get there early for food, drink, and some party rock courtesy of Love Seed Mama Jump in Lot 8. [RFK Stadium (tickets still available), 7 p.m. kickoff; pregame festivities at 5:30 p.m.] >> Don’t forget the Onion’s D.C. kickoff party with Georgie James, Neil Hamburger, Aziz…

MONDAY: >> Built to Spill is known for its smart, gorgeous pop; catch the band live tonight at the 9:30 Club for $18. Built To Spill goes on at 10 p.m. >> Are you intrigued or terrified after looking at the web site of Pleaseeasaur? We think we’re both. They play the Black Cat backstage tonight with Neil Hamburger. $8, 9 p.m. THURSDAY: >> The 10th annual Mary Lou Williams Women in Jazz Festival commences…