GarageBand 2: CHANGING THE ORDER OF LOOP BUTTONS

If you don't like the order of the loop buttons in the Loop Browser, you can easily change them. For example, if you want the Percussion loop button up top, just click directly on that button and drag it to the top row. You can also rename the loop buttons. So if instead of the All Drums loop button, you'd like it to show Snares, just Control-click on the All Drums button, and in the contextual menu that appears go under Instruments, under All Drums, and choose Snare. You can use this same trick to change any Instruments button into either a Genre button or a Descriptors button.