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 B-flat Major Wq. 113-10 (H. 202) stands out in his keyboard music for its wide range of emotions and expressiveness. This sonata, while influenced by his father Johann Sebastian Bach, establishes its own unique style. From the outset, it unfolds with a bright and lively melody that captivates the listener. The middle section reveals a more introspective and delicate expression, conveying a depth of emotion. In the final movement, the music returns to a lively and spirited character, maintaining a sense of unity throughout while offering fresh surprises to the audience. This sonata exemplifies Emanuel Bachʼs creativity and technical prowess, allowing one to enjoy the diverse emotional expressions in his music.