i'm not a mac user , but see if this helps via google..
useing biab and logic.
http://37hz.wordpress.com/2007/11/27/making-biab-sound-really-great-and-personal/


retired puter engr....powertracks on amd......NICE !
"what is the black art of audio engineering ?"
my silly songs...motagator.com/bmanning
see my tips in the tips section.