Though it’s an open question as to whether D.C.’s rock scene has sacrificed quality for quantity, there is no denying a time when there were not that many places for a rock band to play in this city. “During college, the music scene was a bit struggling, especially in the Georgetown area,” says The Bravery’s guitarist and Georgetown University alum Michael Zakarin, “but I was at the Black Cat or the 9:30 every weekend. It’s…