This site introduces unknown Emanuel Bach (C. P. E. Bach). This English version was translated from Japanese one by ChatGPT.
This piece is an arrangement for solo keyboard of the Sinfonia for orchestra, Wq. 181 (H. 656).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs Sinfonia in F Major Wq. 122-05 (H. 227) is a work that showcases his unique musical style. This sinfonia consists of three movements, each with a distinct tempo and atmosphere. The first movement offers a lively and energetic beginning, drawing the audience in with its vigor. The following second movement exudes a calm and introspective mood, exploring emotional depth. The final third movement returns to a lively tempo, providing a strong finale that concludes the piece. Emanuel Bachʼs works are characterized by their diverse emotional expressions that transcend the boundaries of classical music, and this sinfonia is a prime example of that.
For each piece in Wq. 122, explanations are provided in "C. P. E. Bachʼs Posthumous Collection of Keyboard Pieces Wq. 122".