Cantus Firmus Guide

A well-constructed cantus reveals in embryo many of the characteristics of more highly developed musical organisms.

―Felix Salzer and Carl Schachter, Counterpoint in Composition


Press a note box to hear it. Press and hold a note to select it or delete back to that note. Unmute the sound to listen as you compose.

Cantus Firmus Rules

There are a number of rules that the guide helps you follow. If you compose a complete cantus, it will turn green. To do that, you'll need to have: