"The Beelzebub Sonata" is a dramatic work by Stanisław Ignacy Witkiewicz, telling the story of the fictional settlement of Mordovar and its inhabitants who come into contact with supernatural forces, including the devil himself. Passionate love, religious fervor, political intrigue, and madness teeter on the brink of truth and fiction. The terrifying Beelzebub sonata plays a significant role in the plot, representing the devil himself, playing on the hearts of people with his melody.