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. 113-8 (H. 200) is a light and approachable piece within his keyboard music. This composition carries a bright and lively atmosphere, leaving a pleasant impression on the listener. The simple melody line and rhythmic accompaniment harmonize, creating a structure that is enjoyable for the performer as well. The expressive power of Bachʼs music is evident, and despite its brevity, it contains rich musical content. The improvisational elements common in his works are also present, allowing for diverse expressions depending on the performerʼs interpretation. This Allegretto can be considered a piece that encapsulates the charm of Emanuel Bachʼs music.