This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs "Allegro in D Major Wq. 116-56 (H. 330)" is a piece that exudes vibrant energy within his keyboard music. This composition progresses with a bright and lively tempo, bringing joy to the listener. Bach crafts music that captivates the audience through clever harmonic changes and rhythmic movement. The structure of the piece is clear, with the theme vividly developed, ensuring the listener remains engaged. The improvisational elements in his music are also evident, allowing performers the freedom for expressive interpretation. Overall, it is a piece that highlights Bachʼs creativity and technical prowess.