giorgi

I couldn't figure it out either. So, now I got Logic Pro X, and that's a different. It works fine without any additional software adding. Thank you though for your contribution

I'm not sure how Garage band works. Hopefully. I'm trying to figure that out in my program. Hope it works.

There should be a way to assign buttons or knobs to certain functions on the program. On Reason you're able to. Try right clicking the function you want to control. It should be called controlled mapping. If not then check your settings.