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 B-flat Major Wq. 53-02 (H. 180) is a work that showcases his creativity and rich emotional expression. The first movement flows with a light and graceful melody, creating a pleasant atmosphere for the listener. The following second movement unfolds with music imbued with calm and deep emotions, evoking a reflective mood. The final movement features lively rhythms and bright melodies intertwining, leading to a powerful finale that captivates the audience. This sonata is a testament to Emanuel Bachʼs diverse emotional expression in music and his timeless innovation.