This site introduces unknown composer Emanuel Bach (C. P. E. Bach). This English version was translated from Japanese one by ChatGPT.
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs Sonata in D Major Wq. 65/40 (H. 177) is one of the particularly captivating works among his keyboard music. This sonata consists of three movements, each possessing a distinct character. The first movement is characterized by lively, bright melodies and rhythmic motion, providing a powerful opening that draws in the audience. The second movement is calm and emotionally rich, showcasing Bachʼs delicate expressiveness. The final third movement returns to a lively tempo, culminating in an energetic and brilliant finale. This sonata exemplifies Emanuel Bachʼs unique style and his innovative role as a bridge to classical music.