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 E-flat Major Wq. 52-01 (H. 50) is one of the most refined works in his keyboard music. This sonata, while influenced by his father Johann Sebastian Bach, also exhibits characteristics that indicate a transition to the Classical period. The first movement is lively yet possesses a meticulous structure, captivating the listener. The second movement expresses deep emotion and exudes an introspective atmosphere. The final third movement is a vibrant finale, featuring a series of technical passages that challenge the performerʼs skill. This sonata showcases Emanuel Bachʼs diverse compositional techniques and reflects the musical transformations of his era.