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 Solfeggio in E-flat Major (Wq. 117-3) is a short keyboard piece with a lively and approachable atmosphere. The bright tonality of E-flat Major imparts a gentle and soft impression throughout the piece. The influence of the Empfindsamer Stil (Sensitive Style) is evident, with its lyrical melodies and rhythmic variations being particularly captivating. Despite its brevity, the piece showcases inventive harmonies, requiring performers to exhibit flexible expressiveness. It is well-suited for educational purposes and is a work of high musical quality.