"Aida" is an opera composed by Giuseppe Verdi that premiered in 1871. The story is set in ancient Egypt and revolves around a love triangle between Aida, an Ethiopian princess, Radames, an Egyptian military commander, and Amneris, the daughter of the Pharaoh. The opera explores themes of love, betrayal, and sacrifice. The music of "Aida" is renowned for its powerful arias and grand choruses. It features famous pieces like "Celeste Aida" and the "Triumphal March." The opera is often performed in major opera houses around the world and remains a staple of the operatic repertoire.