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. 65-22 (H. 56) is one of the most captivating works among his keyboard music. This sonata demonstrates his innovative style during the transitional period to Classical music. The first movement begins with a lively and bright theme, showcasing Bachʼs characteristic improvisational elements. The second movement is marked by a calm and emotionally rich melody, possessing deep expressiveness. The final third movement returns to a lively tempo, culminating in an energetic and brilliant finale. This sonata is an excellent example of Bachʼs unique musical language and the wide range of emotional expression he possesses, making it particularly popular among performers of his works.