Bug 1031430 - (2.0-visual-refresh)[Notifications and Alarms] - Add New S...

...ignature Firefox OS tone
I'd suggest that you put the new sound up top so that the default appears first in the list.  (I'm assuming that they are listed in the order the appear in this file.) We wouldn't want the selected default value to be below the fold and not visible without scrolling.

Same comment for the notifier tones, too.