This site introduces unknown composer Emanuel Bach (C. P. E. Bach). This English version was translated from Japanese one by ChatGPT.
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs Allegretto in F Major Wq. 116-19 (H. 301) is a work that showcases his unique expressiveness. This piece is characterized by a melody that is light yet evokes deep emotion. Within its simple structure, Bachʼs musical ingenuity is condensed. Particularly, the unexpected modulations and rhythmic changes captivate the listener. The improvisational elements common in Bachʼs works are also present in this Allegretto, allowing performers the freedom of interpretation. It is a piece that suggests a bridge to the Classical era within his music.