Concert Review: Gym Class Heroes at House of Blues October 20, 2011 bassist Concert +7 Disashi Lumumba-Kasongo drummer Eric Roberts guitarist Gym Class Heroes house of blues Jen Thuy-Tien Matt McGinley music The Dirty Heads Travie McCoy bassist Concert Disashi Lumumba-Kasongo drummer Eric Roberts guitarist Gym Class Heroes house of blues Jen Thuy-Tien Matt McGinley music The Dirty Heads Travie McCoy