This document provides information about the history and development of opera in the Philippines. It discusses how Italian and Spanish operas were initially performed in the late 19th century and some of the key local theaters that hosted these productions. The first Filipino opera, Sandugong Panaginip, premiered in 1902. Notable Filipino operas that followed included works based on novels by Jose Rizal. The document then focuses on the 1984 opera La Loba Negra, describing its plot which centers around a historical assassination and the vengeance of the widow.