Arturia KeyStep portable musical tool combining the functionalities of a keyboard controller with a polyphonic step sequencerKeyStep is a new breed of portable musical tool combining the functionalities of a keyboard controller with a polyphonic step sequencer to control both analog and digital devices. You need a portable USB MIDI controller but also want a keyboard that provides a musical playing experience? You have some MIDI modules you want to connect as well but dont want the footprint of a large keyboard? You have modular and analog gear you want to control via CV