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 B-flat Major Wq. 65/45 (H. 212) is one of the most captivating works among his keyboard music. This sonata showcases his unique expressiveness and emotional richness. The first movement has a lively and bright atmosphere, captivating the listener. The following second movement possesses a calm and introspective character, expressing deep emotions. The final third movement concludes with lively rhythms and melodies, overall reflecting Bachʼs creativity and technical prowess. This sonata is an excellent example of his innovative style during the transition to the Classical period and is one of his most frequently performed works.