"The Kreutzer Sonata" is a novella written by Leo Tolstoy in 1889. The story revolves around a man named Pozdnyshev, who recounts his troubled marriage and the events leading to the murder of his wife. The narrative explores themes of jealousy, infidelity, and the complexities of love and relationships. The title refers to Ludwig van Beethoven's "Kreutzer Sonata," a violin and piano sonata that plays a significant role in the story. Through the music, Tolstoy delves into the emotional turmoil of the characters, highlighting how art can reflect and influence human experiences and moral dilemmas.