FRIDAY: >> You just can’t say the D.C. music scene doesn’t care. Check out the 2-night Katrina’s Piano Fund benefit concert at Black Cat, featuring a packed line-up of local acts. Friday’s got Monopoli, the Routineers, the Washington Social Club, the Ambitions, Andy Zipf, and DJ Will Eastman. Saturday is Wooly Mammoth, The Whips, Owls and Crows, Edie Sedgwick, Rose, andDJ lil’ e. $12 for one show, or maximize your band-to-dollar ratio and pay just…

Monday: Halloween on a Monday is a bit of a let down. You’ve already donned your costume and bobbed your fill of apples, and all that’s left is to egg a few motorcades and hit the discount candy bins at CVS. It’s damned anticlimactic. Much like the two orchestral “Want” albums Rufus Wainwright put together after enticing us all with two strong opening efforts (on Dreamworks, natch; pays to be a legacy). Nevertheless, Rufus is…