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. 176 (H. 651) is a work that highlights his creativity and expressiveness. The first movement begins with lively and energetic vigor, drawing the audience in with its strength. The following second movement exudes a calm and introspective atmosphere, delicately portraying deep emotions. The final movement is characterized by its rapid and lively development, bringing a fitting sense of exhilaration to conclude the piece. This sinfonia allows one to enjoy Emanuel Bachʼs diverse musical expressions, showcasing his innovative compositional techniques throughout.