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 Wq. 181 (H. 656) is a work that stands out among his symphonies for its wide range of emotions and expressiveness. The first movement begins with lively and energetic vigor, immediately captivating the audience. The following second movement exudes a calm and introspective atmosphere, quietly conveying deep emotions. The final movement returns to a lively tempo, culminating in a powerful finale. This sinfonia demonstrates Emanuel Bachʼs pursuit of more free and diverse emotional expression, transcending the boundaries of classical music. His music is characterized by unpredictable developments and bold modulations, offering listeners a fresh surprise.