Just purchased a PX-150 for my daughter we want to use garage band sounds we are using the midi usb to hook up her Mac laptop we can here the new sounds from garage band through the laptop speakers but not through the keyboard speakers the normal sound comes out of the keyboard speakers . Need help we were told that when we purchased this we could use a number of sound programs such as garage band to create an unlimited amount of different sounds. She cant do gigs through a laptop speaker! please help
