Quick start
To start your first lesson ...
select Exercise 01
click on a note picture (in the staff)
to see its namebutton
highlighted or click on a namebutton
(G or C for Exercise 01) to see all notes of this name
Try to memorize the connection: note placement in the staff <--> it's name, i.e. which of the four notes are called 'C' and which are called 'G'.
click Start
to start a test; when you see a note
click on a namebutton with its name
(or press a key)
Example: if you see
you should click on button 
or press the key G on the keyboard.
When you answer all questions (or click Stop):
choose next exercise [1] or
manually play with name checkboxes and range sliders to choose notes to learn (testnotes)
