This week ended with the launch of the seventh and final Harry Potter installation. But while the world was consumed with Pottermania, it’s important to remember that there were more serious things going on in the world, too – two of them in -Ist cities. Sampaist was shocked when a passenger jet crashed into the center of Sao Paulo, killing at least 200 people. The airplane, an Airbus A320, skidded off the runway at the…

So, it’s kind of a slow week for music in D.C. Labor Day weekend is beckoning, 9:30 is dark most of the week, and Black Cat is closed for a few days to make repairs. But give DCist lemons, and DCist makes lemonade, unearthing these gems for this last week of August. MONDAY: >> The early 1990s were full of quasi-generic melodic soft rock acts. We won’t say that Toad the Wet Sprocket stood head…