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. 54/2 (H. 205) is a work with a unique charm among his keyboard music. This sonata consists of three movements, each with a distinct character. The first movement has a lively and bright atmosphere, captivating the listener. The following second movement is characterized by its graceful and serene melody, requiring expressive emotional interpretation. The final third movement is a vibrant finale, with technical passages that challenge the performerʼs skill. This sonata is a work where Bachʼs creativity and expressiveness are fully displayed, making it an important piece for understanding his musical style.