Baroque MusicAs far as his theatrical activities were concerned, the end of 1716 was a high point for Vivaldi. In November, he managed to have the Ospedale della Pietà perform his first great oratorio, Juditha Triumphans devicta Holofernis barbaric. [sic] This work was an allegorical description of the victory of the Venetians over the Turks in August 1716.