(Credit: Ben VanHouten) On March 5, the Frost Opera Theater will present the world premiere of Michael Dellaira and J. D. McClatchy’s new work “The Leopard.” The opera is based on the 1958 novel, “Il Gattopardo,” by Giuseppe Tomasi Di Lampedusa, which later became a 1963 epic historical drama film directed and co-written by Luchino Visconti. The opera will be {…}