This site introduces unknown 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 Grazioso in C Major Wq. 116-57 (H. 331) is a light and graceful piece within his keyboard music repertoire. This composition is characterized by its bright and accessible melody, leaving a pleasant impression on the listener. Bach skillfully employs ornamentation and rhythmic variations to bring lively movement to the music. The structure of the piece is simple, yet it is imbued with subtle nuances that demand expressiveness from the performer. The bright sound of C major envelops the entire piece, bringing joy to the audience.