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 minor Wq. 61-05 (H. 287) is a work that demonstrates his mature compositional technique. This sonata consists of three movements, each possessing distinct emotions and expressions. The first movement has a lively yet introspective atmosphere, captivating the listener with its charm. The following second movement is notable for its serene and deeply emotional melody, leaving a lasting impression with its beauty. The final third movement regains vitality, concluding the sonata with an energetic development. This piece allows one to feel Bachʼs unique musical perspective and expressiveness.