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. 69 (H. 53) is a work that showcases his creativity and rich emotional expression. The first movement is marked by a powerful rhythm and contrasting melodies, filled with an energy that captivates the listener. The following second movement exudes a calm and introspective atmosphere, quietly conveying deep emotions. The third movement is characterized by a light and flowing melody, bringing a brightness that releases the tension built throughout the piece. This sonata is a testament to Emanuel Bachʼs diverse emotional expression in music and his timeless innovation.