This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs Sonata in F minor Wq. 62-06 (H. 40) is one of the most emotionally rich and expressive works in his keyboard music. This sonata, while influenced by his father Johann Sebastian Bach, showcases a unique style that marks the transition to the Classical period. The first movement is characterized by its strong rhythm and contrapuntal elements, filled with energy that captivates the audience. The following second movement has a calm and introspective atmosphere, with a melody that explores emotional depth, leaving a strong impression. The final third movement stands out with its lively tempo and light staccato, providing a brilliant finale to the entire sonata. This work demonstrates Emanuel Bachʼs innovative musical language and helped establish his position as an important composer of his time. His music combines rich emotional expression with technical sophistication, greatly influencing later composers.