Apple Logic Pro 9 - Manual (Page 649)

2 Click the Editing tab, then choose the preferred editor from the “Double-clicking a MIDI
Region opens” pop-up menu.
Hearing MIDI Events When Editing
MIDI editing is made much easier if you can hear every event and edit you make, whether
you are scrolling through the Event List (automatic selection) or transposing a note by
dragging it.
To hear MIDI event edits in real time
µ
Click the MIDI Out button at the top-left corner of each editor window.
This is an independent setting for each editor, which will transmit MIDI events whenever
they are added, selected, or edited.
Editing MIDI Events in the Arrange Area
You cannot perform any event editing operations—in the Arrange area or the
editors—unless the MIDI data resides in a MIDI region that exists in the Arrange area
(although you can use the Clipboard functions to create a MIDI region in the Arrange
area).
649 Chapter 22 Introduction to MIDI Editing