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 C Major Wq. 116-21 (H. 153) is a work that shines with his unique expressiveness and creativity. The piece begins with a bright and lively tempo, filled with energy that captivates the listener. Bach skillfully uses unpredictable modulations and rhythmic changes to offer surprise and freshness to the audience. His music richly depicts emotional fluctuations, being dramatic at times, yet possessing delicate nuances. This Allegro evokes the evolution of music during the transition from the Baroque to the Classical period, showcasing his innovative compositional techniques. Emanuel Bachʼs works provided new directions for the music of his time and had a significant influence on later composers.