This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs **Fugue in D Minor Wq. 119-02 (H. 99)** is a work that combines strict counterpoint with the empfindsamer Stil, creating a piece full of tension and depth. The subject is introduced with a melody rich in the shadows characteristic of the minor key, and it immediately develops into a contrapuntal exploration. As each voice intertwines skillfully, the piece exhibits a complex yet clear structural beauty. In the middle section, modulations and rhythmic changes are interwoven, producing a dramatic effect through contrasts of tension and release. Notably, the handling of counter-melodies and the variations of the subject are abundant, showcasing Bachʼs high level of compositional skill. Towards the end, the subject is grandly recapitulated, with rich harmonies and a powerful cadence that tightens the entire work. This fugue, while reflecting the influence of his father, Johann Sebastian Bach, is filled with Emanuel Bachʼs unique emotional expression and meticulous counterpoint, resulting in a work of profound inner depth and tension.