This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs character piece "August" (Wq. 117/22) is a dignified and elegant work included in the 1765 collection "Character Pieces." The piece is in B-flat major, characterized by its calm and majestic melody. The title "August" may refer to the French word for "dignity" or "majesty," or possibly a specific person named August. The entire piece exudes tranquility and dignity, embodying the lyricism and nobility of the Empfindsamer Stil (Sensitive Style). Performers are required to express its inner depth and grace, making it a piece that demands technical skill and emotional expression.