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 minor Wq. 57-04 (H. 208) is a work that showcases his unique expressiveness and emotional depth. The first movement is notable for its powerful rhythm and contrasting melodies, featuring a dynamic development that captivates the listener. The following second movement resonates with a melancholic melody, possessing a quiet beauty that seems to explore inner emotions. The final movement is a lively and energetic finale, with technical passages that challenge the performerʼs skill. This sonata allows one to enjoy Bachʼs creativity and the breadth of his emotional expression, demonstrating the diversity of his music.