This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs Andante in D minor Wq. 116-18 (H. 108) is one of his works that showcases his rich emotional expressiveness. This piece possesses deep emotion and delicate nuances, drawing the listener in. The melancholy and introspective atmosphere that pervades from the beginning reflects Bachʼs unique musical language. The melody often features ornamental notes, possessing a flowing beauty, while occasional dissonances create tension. In the middle section, a contrasting brightness briefly appears, bringing variation to the overall structure. Throughout, changes in dynamics and fluctuations in tempo demand a high level of expressiveness from the performer. Among Emanuel Bachʼs music, this piece stands out for its individuality and innovation.