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. 161-02 (H. 578) is a work that showcases his creativity and rich emotional expression. The first movement is notable for its lively melody and rhythmic variations, possessing a compelling strength that draws the listener in. The following second movement unfolds a beautiful melody imbued with deep emotion, exuding an inner tranquility and meditative atmosphere. The final movement carries a light and bright ambiance, providing a fitting energy to conclude the piece. This sonata embodies the diverse emotional expressions in Emanuel Bachʼs music and his timeless innovation.