S13.29. Art of Fugue, Contrapunctus 11, (a) combination of all three subjects at m. 146; (b) combination of upright and inverted forms of the subject at m. 158
S13.29. Art of Fugue, Contrapunctus 11, (a) combination of all three subjects at m. 146; (b) combination of upright and inverted forms of the subject at m. 158