SIMPLE COUNTERPOINT IN FOUR PARTS
Reading edition
LESSON XXIII
Fig. 132.

No new suggestions are needed, except as follows: All covered fifths and octaves permitted in harmony are allowed here. When the cantus firmus is in the lowest part and the choice of the last chord but one is V43 or vii°6, use the latter, as in Fig. 133.
Fig. 133.

EXERCISES
To canti firmi a and b write the first species in the other parts. Write each four times, setting the cantus firmus in each part in turn.
Canti Firmi
Fig. 134.

LESSON XXIV
Fig. 135.

EXERCISES
To cantus firmus a write the first species in all parts, as in the previous lesson.
To cantus firmus b write the second species in one part. Write four times, and change with each solution, so that both the cantus firmus and the second species will appear in each part. [Fig. 135.]
Canti Firmi
Fig. 136.

LESSON XXV
Fig. 137.

EXERCISES
To cantus firmus a write second species in one part as previously directed.
To cantus firmus b write the first and second species mixed in the other three parts. [Fig. 137a.]
To cantus firmus c write third species in one part, as directed for the second species (b).
Fig. 138.

LESSON XXVI
Fig. 139.

EXERCISES
To cantus firmus a write the second species in two parts and the first in the others. Write twice, changing the parts about. [Fig. 139a.]
To cantus firmus b write third species in one part as previously directed.
To cantus firmus c write third species mixed in the other three parts, as at Fig. 139b.
Canti Firmi
Fig. 140.

LESSON XXVII
Fig. 141.

EXERCISES
To cantus firmus a write the first, second and third species in the other three parts. Write twice, changing the parts about [Fig. 141a.]
To cantus firmus b write fourth species in one part, as directed in previous lessons. [Fig. 141b.]
To cantus firmus c write third species mixed in the other three parts. [Fig. 139b.]
Canti Firmi
Fig. 142.

LESSON XXVIII
Fig. 143.


EXERCISES
To cantus firmus a write the fourth species in one part, as usual.
To cantus firmus b write first, second and fourth species in the other three parts. [Fig. 143a.]
To cantus firmus c write the first, third and fourth species in the other three parts. [Fig. 143b.]
To cantus firmus c write fourth species mixed in the other parts. [Fig. 143c.]
Canti Firmi
Fig. 144.

LESSON XXIX
Fig. 145.

EXERCISES
To canti firmi a and b write fifth species in one part, as before.
Canti Firmi
Fig. 146.

LESSON XXX
Fig. 147.


EXERCISES
To the cantus firmus write the fifth species in two parts. Write four times, changing the cantus firmus into every part. [Fig. 147a.]
Write one eight-measure phrase mixing the second, third and fourth species (b). Also write one exercise combining the first, second, third and fourth species (c).
Cantus Firmus
Fig. 148.

LESSON XXXI
Fig. 149.

EXERCISES
To the cantus firmus write the fifth species in all of the other parts. [Fig. 149a.]
Write four eight-measure phrases with the fifth species in all parts. [Fig. 149b.]
Cantus Firmus
Fig. 150.

LESSON XXXII
Fig. 151.

EXERCISES
Write six eight-measure phrases, using the fifth species in all the parts. Let the parts begin one after the other in imitation. [Fig. 151.]