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 Major Wq. 53-05 (H. 163) is a work that showcases his creativity and rich emotional expression. The first movement features a light yet sophisticated melody that captivates the listener. The second movement is characterized by deep emotion and a reflective atmosphere, highlighting a quiet beauty. The third movement is notable for its lively energy and dynamic development, uplifting the audience. This sonata is a testament to Emanuel Bachʼs diverse emotional expression in music and his technical prowess.