Apple Logic Pro 8 - Manual (Page 332)

332 Chapter 13 Creating Your Arrangement
To make finer resolution divisions (overriding the current Snap value):
m Hold Control after you have selected the region with the Scissors to divide in the
division value (1/16th, 1/32nd, and so on, as shown in the Transport).
m Hold Control-Shift to divide regions with even more precision (ticks or samples).
The newly created segments of an audio region are named after the original, with a
sequential number appended to the end of the name.
Divided MIDI regions are named after the original, with no sequential numbering. Each
MIDI region resulting from the division is independent and contains data.
To divide a region into several portions with the same length:
m Hold Option while cutting a region with the Scissors tool.
A plus symbol appears next to the Scissors tool, and the help tag shows Divide
Multiple.
The selected region will be cut into several pieces—each the same length as the first
segment.
As an example: To divide a 16-bar region into eight 2-bar regions, cut the region at the
start of bar 3, while holding down Option.
To divide regions at the locator positions:
1 Set the left and right locator positions as desired.
2 Select the regions you want to divide within the locator boundaries.