The noted opera AIDA is a four-act opera composed by Giuseppe Verdi and based on a story by Auguste Mariette. It premiered in Cairo in 1871 and has since become one of the most popular operas in the world. The story follows the struggles of the Ethiopian princess AIDA, who is captured and enslaved by the Egyptians. The opera is known for its grandiose sets and costumes, as well as its powerful music and dramatic story.