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. 54/5 (H. 185) is a work with a unique charm among his keyboard music. This sonata consists of three movements, each with a distinct character. The first movement exudes a light and graceful atmosphere, putting the listener in a pleasant mood. The following second movement is characterized by a calm and introspective melody, expressing deep emotions. The final third movement is marked by lively rhythms and bright melodies, providing an energetic finale that is fitting to conclude the piece. This sonata is a splendid fusion of Emanuel Bachʼs compositional technique and sensibility, showcasing the diversity and depth of his music.