This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs Allegretto in A Major Wq. 114-09 (H. 236) is a work that stands out in his keyboard music for its wide range of emotions and expressiveness. This piece, while possessing a light and bright atmosphere, also has a structure that conveys an inner depth. The melody flows smoothly, and the rhythmic elements draw the listener in. Ornamentations and improvisational elements are found throughout, allowing the performer room for free expression. The transitions of emotions in Bachʼs music are skillfully depicted, providing the listener with a fresh impression. The unpredictable developments common to his works are richly expressed in this piece as well.