This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs Sinfonia in E-flat major Wq. 179 (H. 654) is a work that highlights his creativity and expressiveness. This sinfonia is characterized by bold harmonic progressions and rhythmic changes that transcend the boundaries of the Classical era. From the outset, it exudes a powerful energy that captivates the audience. In the middle section, delicate and emotionally rich melodies unfold, providing a vivid contrast. As it progresses towards the final movement, the music becomes increasingly lively, overwhelming the listener. Emanuel Bachʼs innovative spirit is evident throughout, reflecting his musical curiosity and exploration.