"Pelléas et Mélisande" is an opera composed by Gabriel Fauré and premiered in 1902. It is based on a play by Maurice Maeterlinck and tells the story of a tragic love affair between Pelléas and Mélisande, set in a mystical, medieval world. The opera explores themes of love, fate, and the complexities of human emotions. The narrative unfolds in a castle where Pelléas, a young prince, falls in love with the mysterious Mélisande, who is already married to his brother, Golaud. Their forbidden love leads to jealousy, betrayal, and ultimately tragedy, highlighting the emotional depth and lyrical beauty of the music throughout the performance.