"Pelléas" refers to the character Pelléas from the symbolist play "Pelléas et Mélisande" written by Maurice Maeterlinck. The story revolves around the tragic love between Pelléas and Mélisande, a mysterious woman. Their relationship unfolds in a dark, enchanted setting, highlighting themes of love, fate, and the complexities of human emotions. The play has inspired various adaptations, including the famous opera "Pelléas et Mélisande" composed by Claude Debussy. This opera, first performed in 1902, is notable for its innovative use of harmony and orchestration, capturing the ethereal and dreamlike quality of the original play.