Aerial flyers, acrobats, contortionists, jugglers, balancers, and strongmen take over the space above and around the Houston Symphony for a concert that keeps eyes moving as quickly as ears. Every feat is choreographed to live orchestral music, turning Jones Hall into a meeting point between circus spectacle and symphonic power. The roughly two-hour program is designed for the whole family, with enough physical daring to thrill children and enough musical scale to make the evening feel much bi.