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 C minor Wq. 51-3 (H. 127) is one of the most emotionally rich works among his keyboard music. This sonata, while influenced by his father Johann Sebastian Bach, possesses its own unique expressiveness. The first movement is lively yet introspective, captivating the listener with its charm. The following second movement is a slow movement filled with deep emotion, showcasing Emanuel Bachʼs delicate expressiveness. The final third movement is a lively finale, possessing the energy appropriate to conclude the piece. This sonata is an important work during the transition to the Classical period, demonstrating his innovative musical style.