Yamaha REFACE YC Electric Combo Organ - 37 Mini KeysYamaha's Reface YC is a 37 key mobile mini keyboard with 5 vintage organ types, 4 effects, 9 drawbars, 128 note polyphony, built in stereo speakers, MIDI connectivity, aux input, and dual line outputs. The Vintage Organ Sound Engine offers five incredibly detailed vintage organ types, including American tonewheel organ, British transistor organ, Italian transistor organ, Japanese transistor organ, and Yamaha YC 45D. All the controls needed to play