1				2				3				4				1				2				3				4				1				2				3				4				1				2				3				4

1				2				3				4				1				2				3				4				1				2				3				4				1				2				3				4

Click a square to add a note to the pattern; click again to remove it.
To quickly clear the matrix, click a square on and off and then press the Space key.

Type a C or S in a cell of the yellow colored row to use a chord pitch
set (C) or a scale pitch set (S) in the selected and following tonematrix columns

 Allow pitch range shifts and melody direction reversals to occur
at chord(C) and scale(S) pitch set boundaries
Click a yellow colored cell to select its column for editing operations.
Shift-click within a yellow colored cell to extend a selection to include further columns