This site introduces unknown Emanuel Bach (C. P. E. Bach).
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs Sonata in C Minor Wq. 65/49 (H. 298) is one of his most emotionally rich and expressive works among his keyboard compositions. This sonata, while influenced by his father Johann Sebastian Bach, showcases a unique style that marks the transition to the Classical era. The first movement is lively yet introspective, captivating the listener with its charm. The following second movement expresses calm and deep emotions, highlighting Bachʼs delicate melodic lines. The final third movement is a vibrant and energetic finale, where technical skill and emotional intensity are beautifully intertwined. This sonata exemplifies Emanuel Bachʼs musical exploration and innovation, holding a significant place in understanding the evolution of music in his time.