This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs "Allegro in E Major Wq. 114-08 (H. 235)" is a work that stands out for its emotional diversity within his keyboard music. This piece, written in a bright and lively E major, is filled with energy that captivates the listener. Bach employs unpredictable rhythms and bold harmonic progressions to offer surprise and freshness to the audience. The structure of the piece is based on classical forms, yet it features free expression throughout. Particularly, the alternation of rapid passages with contrasting quiet sections skillfully weaves tension and release. Emanuel Bachʼs distinctive musical language leaves a profound impression on the listener.