A classical-music concert is crashed by a man who rappels onto the stage carrying a machine gun. Another man — this one in a ski mask — spots him, and a large exclamation point lights up over his head. Behind them, the conductor of the orchestra keeps waving his arms in rhythm, and the show goes on. This was the spectacle of Video Games Live, a touring concert of video game music that kicked off last week at Los Angeles’ Hollywood Bowl. [More]