Before we point you to our concert picks for this week, make sure you go check out the Six Points Festival lineup. The festival features performances from dozens of area bands at venues throughout Arlington and D.C. MONDAY: >> Sticky-sweet Japanese punksters Shonen Knife play the Black Cat tonight. $12. TUESDAY: >> If you feel like a blast from the past (or, rather, the mid-90s), female rocker Lisa Loeb (at right), she of the black-framed…