Apple Logic Pro 8 - Manual (Page 267)

Chapter 11 Adding Pre-Recorded Media 267
Column view offers a standard Mac OS X column file menu that is hierarchically
separated into All, By Genres, By Instruments, By Moods, and Favorites search criteria.
To browse for Apple Loops in Column view:
1 Click on any of the category folders shown in the left column of the folder view area.
In this example, By Genres is chosen.
2 Click on Electronic in the second column.
3 Click on Beats in the third column.
The value in brackets indicates the number of files that fall into this sub-category
(Beats). The files are shown in the file list below.
To browse for Apple Loops in Music and Sound Effects view:
1 Click on any of the category buttons.
The file list displays all Apple Loops that fall into the chosen category. The number of
matching files is shown at the bottom of Loop Browser.
Category columns