Write each four times, setting the cantus firmus in each part in turn.
Write four times, changing the cantus firmus into every part.
To cantus firmus a write second species in one part and fourth in the other.
In other cantatas it is noted that the cantus firmus (the chorale-melody) is in the soprano, or other voice.
To cantus firmus b write third species in one part and fifth in the other.
To cantus firmus b write two above and two below in the second species.
To cantus firmus a write one above and one below, with both parts resting at the hold.
When writing second species in both parts no cantus firmus is used, both parts being original.
To the cantus firmus write two counterpoints above and two below, in the fourth species.
To cantus firmus b write one above and one below, in the second species.