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 G Major Wq. 62-14 (H. 77) is one of the particularly captivating works among his keyboard music. This sonata demonstrates his unique style during the transitional period to Classical music. The first movement has a lively and bright atmosphere, captivating the audience. The following second movement is characterized by a calm and graceful melody, expressing inner emotions. The final third movement is a vibrant and energetic finale, with impressive technical passages. This sonata not only showcases Emanuel Bachʼs creativity and expressiveness but also reflects the tradition inherited from his father, Johann Sebastian Bach, and serves as a bridge to the music of the next generation.