Apple Soundtrack Pro - Manual (Page 173)

Chapter 7 Working in the Waveform Editor 173
Using the Action Insert Bar
The Action Insert bar appears as a purple bar along the left side of the Actions list. As
you apply actions, the Action Insert bar moves below the last action applied.
You can move the Action Insert bar up or down to a new position in the Actions list.
Only actions before the Action Insert bar are heard when you play the project, so you
can control which actions are heard by moving the bar. The purple strip to the left of
the checkboxes in the Actions list indicates the actions that are heard when you play
the project.
When you choose an item from the Process menu, it is applied directly following the
Action Insert bar. By moving the bar, you set where in the list the next action is applied.
To set the position of the next applied action:
m Drag the Action Insert bar up or down in the Actions list to the position you want.
Action Insert bar