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 D Major Wq. 61-02 (H. 286) is a work that showcases his creativity and technical mastery. This sonata consists of three movements, each with a distinct tempo and atmosphere. The first movement offers a lively and energetic beginning, drawing the audience in with its strength. The following second movement has a calm and graceful flow, providing a contrasting beauty. The final third movement concludes with a fast-paced finale, bringing the entire piece to a close. This sonata allows one to fully enjoy Bachʼs unique style and expressiveness.