This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs Minuet in A minor Wq. 116-39 (H. 313) is a work that stands out for its emotional depth and expressiveness within his keyboard music. This minuet is characterized by its delicate melodic lines and rich harmonic progressions, making use of the nuances of the minor key. While based on a simple dance form, the piece skillfully depicts the movement of inner emotions. Notably, contrapuntal elements are woven in, providing listeners with alternating tension and release. The diversity of emotional expression in Emanuel Bachʼs music is palpable through this work. While influenced by his father, Johann Sebastian Bach, his unique musical perspective is clearly evident.