This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs Rondo in E-flat Major Wq. 61-01 (H. 288) is one of his later keyboard works, characterized by its unique expressiveness and structure. This piece employs the rondo form, where the main theme is repeated multiple times, interspersed with various episodes that captivate the audience. In this work, Bach skillfully expresses changes in emotion, leaving a profound impression on the listener. Notably, his distinctive use of ornamentation and rhythmic variations adds rich expression to the music. The Rondo in E-flat Major is a testament to Bachʼs creativity and technical prowess, showcasing the diversity and depth of his music.