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 F Major Wq. 51-5 (H. 141) is one of the particularly captivating works among his keyboard music. This sonata demonstrates his unique expressiveness and emotional richness. The first movement begins with lively and energetic vigor, featuring a bright and cheerful melody that leaves a strong impression. The following second movement expresses calm and deep emotions, reflecting Bachʼs delicate musical sensitivity. The final third movement returns to a lively tempo, concluding with a powerful finale. This sonata is an important work that showcases Emanuel Bachʼs innovative style and his role as a bridge to classical music.