The On-Screen MIDI Keyboard Does Not Move

MainStage is not receiving MIDI from your keyboard. Check your MIDI cable, USB cable, audio interface, keyboard power, and any required keyboard or interface drivers.

Apple MainStage Help

For general MainStage questions not specific to KeyboardTEK programming, you can also use Apple’s built-in MainStage Help. In MainStage, choose Help > Quick Help or Help > MainStage Help.