I wanted to record a wee video using the built in camera on my MacBook Pro using iMovie. I plugged my POD X3 into my Mac and opened up Garageband, I imported the backing track into Garageband as I wanted to record myself playing over it. I set the audio in both System Preferences and Garageband preferences to have the audio input and output coming through the X3. I hit record on iMovie and I got the sound of my guitar perfectly but no backing track! When I tried to import the backing track into iMovie I can't get it to sync up... Anyone have any ideas?