The seventh or ninth of a chord, except the major seventh, may be used as preparation of a suspension when approached by a skip in an upward direction, as in [Fig. 119].

Fig.
119.

This species may also be written in triple rhythm. [[Fig. 120.]]

Fig.
120.

The cadences in [Fig. 121] are good, as well as those of the second species.

Fig.
121.

EXERCISES

To cantus firmus a write fourth species in one part. Write three settings, as usual.

To cantus firmus b write fourth species in one part in triple rhythm. Write three settings, as above.

To cantus firmus b write second species in one part and third in the other. [[Fig. 122.]]