Modern musical notation has a rich and interesting history; it is generally based on the concept of scales, so that vertically-arranged notes on a staff (a set of horizontal grid lines) from the indicated key signature correspond to the desired scale.
Applying the hues to the heads of the notes gives the following:
Applying the hues to the heads of the notes and indicating the rotation around the torus with a line gives the following:
© David Fraser 2013