Arturia Keystep 37 - USB/MIDI Keyboard With Step Sequencer KeyStep 37 goes beyond an easy-to-use 64-step sequencer, arpeggiator and MIDI keyboard. It's re-sponsive, dynamic, expanded in every direction to encourage musical exploration - the controller that's built to inspireMore is more The familiar KeyStep formula, expanded. KeyStep 37 features a velocity-sensitive 37-note keybed, complete with aftertouch and RGB LED feedback, while remaining lightweight and compact. At the center of the control panel, you'll find 4 new knobs with an LED screen, giving you instant access to inspiring new expressive tools and MIDI tweaking - total creative control. The new controls unlock KeyStep 37's unique & enhanced Chord mode. Choose from 12 chord types, an array of strum effects, and spread the voices out into complex velocity-sensitive parts that respond like a stringed instrument. Map out KeyStep 37's 3-octave keyboard range with a scale of your choice using Scale mode. Any key you play will aut