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. 58-02 (H. 273) is a work with a unique charm among his keyboard music. This sonata consists of three movements, with the first movement marked Grazioso, characterized by its graceful and flowing melody. The second movement is Adagio, requiring deep emotion and delicate expression. The third movement is notable for its lively and spirited rhythm, delighting the listener. This sonata showcases Bachʼs creativity and expressiveness, reflecting the diversity of his music. Performers are required to skillfully express the different atmospheres of each movement.