"Eternal Sonata" is a role-playing video game developed by tri-Crescendo and published by Bandai Namco Games. Set in a dream world inspired by the music of composer Frédéric Chopin, players control a group of characters who embark on a quest to save their world from darkness. The game features a unique combat system that combines real-time action with turn-based elements, allowing players to strategize during battles. The narrative unfolds through a series of chapters, each exploring themes of life, death, and the power of music. Players encounter various characters, including Polka, Allegretto, and Beat, each with their own backstories and motivations. The game's vibrant visuals and orchestral soundtrack enhance the immersive experience, making it a memorable title in the RPG genre.