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.
One voice retained the cantus firmus, the others were to be set to it in canonic or imitative mode.
To cantus firmus b write two above and two below in the second species.
To cantus firmus b write third species in one part and fifth in the other.
When writing second species in both parts no cantus firmus is used, both parts being original.
To cantus firmus a write one above and one below, with both parts resting at the hold.
To cantus firmus b write one above and one below, in the second species.