By DCist contributor Sarah Sherman Let’s face it. On Monday night, if you walked away from the 9:30 Club disappointed, you’re a heartless bastard. At the very least, you learned a little something about one of DC’s best music venues, with a cavalcade of talents sharing memories all night. But really, you should have savored the 13 acts celebrating the 30th anniversary of a club built on bleeding fingers, beating hearts and aching muscles. And…