Apple Logic Pro 9 - Manual (Page 329)

To limit the Loop Browser display to a particular time signature
µ
Choose a time signature from the Signature pop-up menu.
Browsing for Apple Loops
There are three browsing views available in the Loop Browser: Column view, Music view,
and Sound Effects view.
To switch between browsing views
µ
Click one of the view buttons at the top-right corner of the Loop Browser.
The left button activates Column view, the middle button activates Music view, and the
third button Sound Effects view.
Music view displays a matrix of 54 buttons, each featuring a musically related category.
Sound Effects view offers effect-related category buttons such as Explosions, Foley, or
People.
Music view Sound Effects view
329 Chapter 11 Adding Prerecorded Media