Contrapunctus 13, from Art of the Fugue, BWV.1080 (Sauer) [211.01]
Baroque. Contrapunctus XIII is a three-voice, mirror fugue that introduces a new form of the original “Art of Fugue” theme in the “Rectus” and then turns everything upside down in the “Inversus.” About 5 minutes in length. -the publisher