This review by DCist contributor Genevieve Smith. On the last night of a three-day local music extravaganza, DC9 played host to the Orange and Blue-liners as they hip-shimmied and head-bobbed to the musical-stylings of local acts Monopoli, Hello Tokyo, No Second Troy and Mira Stella Stella Mira. If Train and Coldplay are your jam, DC9 might have been your musical Mecca Saturday. But if you’re the sort that prefers to lurk in the dark corners…