BACH'S
DIE KUNST DER FUGE
(The Art of Fugue) played by A STRING QUARTET led by CHARLES WOODHOUSE
C. H. TREVOR (organ)
QUARTET
Contrapunctus 12, a 4 (Rectus et inversus) (followed by the inversion)
Contrapunctus 13, a 3 (Rectus et inversus)
C. H. TREVOR
Canon, per Augmentationem in Contrario Motu (by augmentation in contrary motion)