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 minor Wq. 62/18 (H. 118) is one of his most emotionally rich and expressive keyboard works. This sonata showcases his innovative style during the transitional period to Classical music. The first movement is lively yet introspective, captivating the listener with its charm. The following second movement is characterized by a serene melody filled with deep emotion, highlighting Bachʼs delicate expressiveness. The final third movement is a vibrant and energetic finale, featuring technical prowess and dynamic development. Throughout the entire sonata, one can sense Emanuel Bachʼs unique musical language and the influence he had on later composers.