This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs Sonata in C Major Wq. 65-35 (H. 156) is one of the particularly captivating works among his keyboard music. This sonata consists of three movements, each possessing a distinct character. The first movement is characterized by a bright and lively melody, showcasing Bachʼs unique expressiveness. The second movement has a calm and introspective atmosphere, with an emotionally rich melody that resonates deeply. The final third movement offers a light and energetic finale, beautifully concluding the overall structure. This sonata demonstrates Emanuel Bachʼs innovative musical style and the fusion of tradition inherited from his father, Johann Sebastian Bach.