This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs character piece "La Philippine" (Wq. 117/34) is a bright and charming work included in the 1765 collection "Character Pieces." Set in the key of G major, its lively rhythm and accessible melody evoke feelings of happiness and joy. The title suggests a personal emotional connection, characterized by an intimate atmosphere. Despite its brevity, it demands elegant expression, challenging performers to convey the poetic essence of the music. It was cherished as salon music and beloved by audiences of the time.