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 E-flat Major Wq. 65-07 (H. 16) is one of the particularly captivating works among his keyboard music. This sonata consists of three movements, each with a distinct tempo and 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 with the heart. The final third movement is notable for its lively rhythm and energetic development, possessing a compelling strength that draws in the audience. This sonata is an excellent example of Emanuel Bachʼs innovative compositional style and the influence he had on the development of classical music.