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 “Alla Polacca in D Major Wq. 114-05 (H. 232)” is one of the particularly captivating pieces among his keyboard works. This composition, based on the rhythm of a polonaise, is lively and rhythmic, delighting its listeners. The bright key of D major imparts vitality and energy throughout the piece. In this work, Bach employs skillful ornamentation and varied dynamics to convey a wide range of emotions to the audience. His unique expressiveness adds rich depth to the music. For performers, it offers both a technical challenge and the joy of playing with emotional richness.