
Arpeggiator MIDI plug-in keyboard parameters in MainStage
Click the Keyboard button to open the Arpeggiator keyboard parameters. The dots shown on the keyboard represent the output of currently playing notes, including any key and scale adjustments. You can also open the Remote Key editor window from the Keyboard pane. For further details, see Use Arpeggiator keyboard parameters.

Keyboard parameters
Keyboard button: Set Arpeggiator keyboard parameters, such as scale and splits.
Input Snap pop-up menu: Choose a beat value to snap the first incoming note to a position, thus quantizing the arpeggio start point.
The default Input snap pop-up menu value is “link to rate,” which matches the set Arpeggiator Rate (see note order parameters).
Key pop-up menu: Choose a root key for the chosen scale. C is the default key.
Scale pop-up menu: Choose a scale. Played keys are snapped to the nearest note in the chosen scale. Choose from: Chromatic (default), Major, Major Pentatonic, Major Blues, Lydian, Mixolydian, Klezmer, Minor Pentatonic, Minor Blues, Japanese, Natural Minor, Harmonic Minor, Melodic Minor, Dorian, Phrygian, Locrian, and South-East Asian.
Keyboard Split button: Divide your MIDI keyboard range into three zones.
Remote (Key editor) button: You must first click the Keyboard Split button to make the Remote (Key editor) button visible. Opens the Remote Key editor window, where you can assign a range of MIDI keys to Arpeggiator functions.