Score one more for the heatwave. Metro trains running less frequently, air conditioners failing under the pressure, and now, the cruelest cut of all: Sleater-Kinney fans denied on the D.C. stop of their (Please Don’t Call It A) Farewell Tour. Arriving at a show to find a fire truck parked by the front door and firemen looking sternly into an open manhole can never be a good sign. (A manhole cover that, we’ve heard, housed…

FRIDAY >> Proving once again that country legends, unlike most rock stars, actually can age well, Wanda Jackson (pictured right) makes an appearance on the Black Cat mainstage tonight, where she will no doubt trot out classic hits like “Big Iron Skillet” and “Let’s Have A Party.” But with over 50 albums worth of songs to choose from, including some backed up by the Oak Ridge Boys, let’s hope she performs a few obscure numbers…