Hi again, friends. I've been working quite a bit with garage band over the past few weeks. (The list of instructions and short-cut keys are most helpful, by the way.) I might have discovered a couple new things, too, but I didn't want to post messages about that if everyone had given up on attempting to multi-track with it. Let me know if anyone wants to know. Also, I've been thinking.if there's some type of USB drum machine out there-sort of like a USB controller, that might solve the problem with not being able to drop loops from the loop browser into a track. In other words, if there were a machine with tons of pre-programmed loops that could be triggered manually, they could be recorded as software instruments. I haven't found such a machine yet, but I'm going to investigate further. Thanks.