This site introduces unknown Emanuel Bach (C. P. E. Bach).
C. P. E. Bach Sonata II in D minor, Wq 63-2 (H. 71)
1st Movement: Allegro
2nd Movement: Adagio sostenuto
3rd Movement: Presto
ChatGPT4o writes as follows (please note that it may not be accurate):
Emanuel Bachʼs Sonata in D minor Wq 63-2 (H. 71) is a captivating work that showcases his unique musical style. This sonata consists of three movements, each demanding different emotions and techniques. The first movement is characterized by a powerful and passionate melody, filled with energy that draws the audience in. The following second movement requires deep emotion and delicate expression, creating an introspective atmosphere. The final third movement is a lively and spirited finale, testing the performerʼs technical proficiency. This sonata reflects the musical innovations of Bachʼs era and serves as a bridge to classical music. His works leave a strong impression on listeners, blending emotional depth with formal freedom.
According to the commentary by Darrell M. Berg on Miklós Spányi's CD (BIS-CD-1189) (translated by ChatGPT4o):
Allegro con spirito - D minor - A more lively and rhythmically diverse movement, with the strong character typical of a first movement.
Adagio sostenuto - B-flat major - An aria-like binary form (without repeats). The end of the second section is extended, where Bach provides an opportunity for professional performers to improvise a cadenza.
Presto - G minor - A movement to showcase speed. The rhythmic flow is frequently interrupted, heightening excitement.