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 A minor Wq. 65/33 (H. 143) is one of the most emotionally rich and distinctive works among his keyboard music. This sonata is notable for Bachʼs typical expressiveness and improvisational elements. The first movement is lively yet introspective, captivating the listener with its charm. The second movement blends deep emotion with elegance, showcasing Bachʼs delicate musical sensibility. The final third movement, while adopting the classical minuet form, presents a fresh impression with its unique rhythm and melody. Throughout the entire sonata, one can glimpse Emanuel Bachʼs innovative musical style and the influence he had on the development of classical music.