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 Major Wq. 116-44 (H. 318) is one of the works that showcases his unique musical style. This sonata is characterized by its diversity of emotions and expressive melodies, which have the power to captivate listeners. In particular, the unpredictable modulations and rhythmic changes provide a fresh surprise to the audience. Bach employs a free form that transcends the boundaries of the Classical era, bringing dramatic development to the music. In this work, his improvisational elements stand out, demanding high technical skill and expressiveness from the performer. Throughout, the sonata reflects Emanuel Bachʼs innovative spirit.