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 March in D Major Wq. 116-46 (H. 320) is a particularly vibrant piece among his keyboard works. This march utilizes the bright and powerful key of D major to evoke a sense of exhilaration in the listener. It is characterized by its rhythmic structure and clear melodic line, making it suitable for performances in courtly and social settings of the time. The diversity of emotions present in Bachʼs music is also reflected in this march. The improvisational elements common in his works allow performers the freedom of expression, captivating the audience. Overall, it is a piece that showcases Emanuel Bachʼs innovative musical style.