Drawing a Controller Curve

Let's draw a pitchbend curve as an example of drawing a controller curve.  The first step is to change the drawing mode of a track to PitchBend mode.  Use the popup menu on the track tool pallete
and select pitch bend as shown below.

To change the track staff to display pitchbend curves, first select the track staff to be changed and click on the mode change button as shown.

To draw a curve select the drawing tool as shown.

While holding the option key down, draw into the track pane.