To cantus firmus _a_ write one above and one below, with both parts resting at the hold. Also do the same _with the counterpoint continuing at the hold_. [Fig. 155_a, b._]

CANTI FIRMI

[Ill.u.s.tration: Fig. 157.]

LESSON x.x.xIV

FREE HARMONIZATION IN THREE-PART COUNTERPOINT

When writing in three or more parts, it is well to let a part rest occasionally, and, when it reenters, have it imitate one of the other parts. [Fig. 158.]

[Ill.u.s.tration: Fig. 158.]

EXERCISES

To cantus firmus _a_ write two counterpoints above and two below in two-part counterpoint.

Write two original eight-measure phrases in two-part counterpoint.

To cantus firmus _b_ write one example in three-part counterpoint with continuous movement at the hold. [Fig. 159.]

[Ill.u.s.tration: Fig. 159.]

CANTI FIRMI

[Ill.u.s.tration: Fig. 160.]

LESSON x.x.xV

To canti firmi _a_ and _b_ write two parts. Write each three times, setting the cantus firmus in all parts in turn. Write one of the solutions of the choral with continuous movement at the hold.

CANTI FIRMI

[Ill.u.s.tration: Fig. 161.]

LESSON x.x.xVI

Write two eight-measure phrases, and one sixteen-measure phrase, of original counterpoint in three parts.

LESSON x.x.xVII

FREE HARMONIZATION IN FOUR-PART COUNTERPOINT

[Ill.u.s.tration: Fig. 162.]

EXERCISES

To the cantus firmus write three parts.

Write two sixteen-measure phrases of original four-part counterpoint, one major and one minor.

CANTUS FIRMUS

[Ill.u.s.tration: Fig. 163.]

LESSON x.x.xVIII

In this and the following lessons have the parts in some of the exercises begin one after the other in imitation. [Fig. 151.]

EXERCISES

Write two eight-measure phrases, and one sixteen-measure phrase, of original four-part counterpoint.

LESSON x.x.xIX

Write two sixteen-measure phrases of original four-part counterpoint.