Doesn't matter what you choose on the first screen, but choose loops since that's what you're gonna work with. We said we'd do it in Ab, so choose that for key. Let's do it in major.
and Kieran, i don't have one yet. i'm (hopefully!) off to uni next month so it'd hardly be worth it, to say it'd be sat in a garage somewhere 5 days a week.
well done, Sir 
haha