(Photo: Thomas Ziegler) Händel’s 1731 opera “Poro, re dell’Indie,” his 28th opera seria, initially proved to be a success, knocking up an initial run of 16 performances at the King’s Theatre, London, followed by revivals in the city as well as productions in Hamburg and Braunschweig. Even before the composer’s death in 1759, however, it had disappeared completely from theatres {…}