Electro-Harmonix Key 9 Electric Piano Machine Guitar Pedal, Power Supply Incl.Completing the powerful trilogy forged by the B9 and C9 Organ Machines, the Electro Harmonix KEY9 emulates the worlds most coveted electric pianos and more. With 9 presets, you can transform your axe and lay down a cool Riders on the Storm style groove or some hot funk ala Whatd I Say. The KEY9 transforms the tone of a guitar or keyboard into a convincing electric piano emulation, including several variations of the classic Rhodes and Wurlitzer