This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
The **Fugue in F Major Wq. 119-03 (H. 100)** by Emanuel Bach is a work that shines with intricate contrapuntal techniques while maintaining a bright and lively character. The initial theme is presented with clarity and lightness, beautifully balancing cheerfulness with intellectual sophistication. Each voice intertwines fluidly, creating a serene yet vibrant musical flow. In the middle section, the themeʼs development and modulation are skillfully executed, adding rich color to the harmony. The piece also exhibits Bachʼs characteristic improvisational elements, breathing free expression into its meticulous structure. The music gradually builds in intensity, and towards the end, the theme is grandly recapitulated, concluding with a clear sense of stability through its harmonious and lively rhythm. This fugue inherits the strict counterpoint of his father, Johann Sebastian Bach, while highlighting Emanuel Bachʼs unique empfindsamer Stil with its flexible expression. It is a work where intellectual precision and emotional richness are wonderfully fused within a bright and sophisticated sound.