Apple Logic Pro 9 - Manual (Page 72)

You can use the Signature List to create, copy, move, and delete time and key signature
events.
The initial time and key
signature of the project is
always displayed at the
top of the list, without
bar position indicators.
Working in the Editing Area
You can open the following editing areas directly in the Arrange window by clicking the
corresponding button at the bottom of the window.
• Mixer
• Sample Editor
• Piano Roll Editor
• Score Editor
• Hyper Editor
72 Chapter 3 Overview of the Logic Pro Interface