If you’re sitting at your desk thinking, “I’d really like to spend tonight watching a handful of the most talented people to ever produce music in D.C. or anywhere come together on one stage,” then you’re in luck. The 9:30 Club is hosting some of the most talented products of our fair city tonight. Headlining the night is Dust Galaxy, the Theivery Corporation side project that’s been making blog waves since the fall. Rob…