Apple Logic Express 9 - Manual (Page 596)

4 Choose Audio > Time Stretch Region to Locators to expand or compress the selected
audio region to fit between the locators.
The region start point is not changed by this function, so it doesn’t matter if the locators
are not directly above the region.
To adjust the region length to the nearest bar
µ
Choose Audio > Time Stretch Region to Nearest Bar.
This command adjusts the length of the selected region to the closest whole bar.
This function is ideal for fitting previously trimmed drum loops into projects in which
there is a small tempo discrepancy between loop and project.
596 Chapter 18 Working with Tempo and Audio Regions