This site introduces unknown 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 “Wq. 118” is a collection of works for keyboard instruments, filled with his sophisticated compositional techniques and a wide range of emotional expressions. This collection includes pieces such as fantasias, rondos, and variations, characterized by their free form and unique individuality, representing his “sensitive style.” Despite their brevity, each piece contains profound musical content, demanding technical skill and expressiveness from the performer. “Wq. 118” is an important collection that demonstrates how Emanuel Bach brought a fresh breeze to keyboard music and established a distinctive musical language. This collection, essential for understanding the development of keyboard music, offers content that is both approachable and profound, enjoyable for beginners and seasoned performers alike.
[For more on “Character Pieces,” please also refer to "Emanuel Bachʼs Character Pieces Collection."]