Harmap is a viewer. It shows the available notes on a diatonic
as a table.
- Each column represents a hole and the notes available for
this hole.
- The upper half of the table shows blow notes. The lower half
shows draw notes.
- Grey cells: natural notes
- Green cells: other notes
- Blue dots: traditional blusy bends
- Red dots: overbends
- Green dots: half-valved bends
