They are placed at twelve different elevations per octave on a 3-line staff. The staff spans an octave. The upper and lower lines are C's. Johannes Beyreuther , inventor A 2-line staff is used. Color helps distinguish these elevations, with the white notes hugging the lines and the black notes either on or between the lines.
Rhythmic notation is mostly traditional.
These elevations are made easier to distinguish because the notehead is given a semicircular shape when it rests against a line. Rhythmic notation is mostly traditional. These three elevations are made easier to read because of a change in notehead shape. The notes are all white. Rhythmic notation is mostly traditional.