Abyrd

I also have a question about using the Privia PX-160 as MIDI controller. I'm trying to run it through garageband on my macbook to lay a drum track, but the only thing it will let me do is pull recordings from the keyboard. for some reason I can't use the keyboard as an actual MIDI controller I'm not sure if I'm missing a step or if it just doesnt work like that, so any information is helpful.