Model
=====

Pitch
-----

.. toctree::
   :maxdepth: 1

   pitch_class
   pitch

Tonality
--------

.. toctree::
   :maxdepth: 1

   scale_position
   tonality
   tonality_plan

Musical structure
-----------------

.. toctree::
   :maxdepth: 1

   note
   bar
   voice
   staff
   score