Color to draw the cursor
If true, this cursor will be followed.
Type of cursor: 0: Standard highlighting current notes 1: Thin line left to the current notes 2: Short thin line on top of stave and left to the current notes 3: Current measure 4: Current measure to left of current notes
alpha value to be used with color (0.0 transparent, 0.5 medium, 1.0 opaque).