>> Tickets are still available for Fiery Furnaces, dios and Orphan tonight at Black Cat. $15, 8 p.m. >> Check out our full preview of RAMP, performing a free show tonight at Bossa Bistro and Lounge, 9 p.m. >> DCist favorites Robbers on High Street come to Iota tonight promising to play songs from their upcoming disc, “Grand Animals.” Expect another solid, fun show, along with two Chicago bands, The Redwalls and Baby Teeth….

This weekend is just chock full of good stuff to do! The weather is shaping up nicely (with a chance of a storm on Saturday) so get out there. FRIDAY: Free Polyphonic Spree outdoor concert at the South Plaza Stage of the Kennedy Center. Starts at 6 p.m., but as there’s sure to be a crowd of people, we recommend getting out there a bit earlier. The galleries of Dupont Circle are hosting an extended-hours…