Yamaha YC73 Stage Piano And Digital Organ (Black)- 73 KeysYamaha's YC73 gives giging keyboardists a 73 key weighted balanced touch, tone and real time control they've been longing for in a more compact size. YC73 also has physical drawbars and intuitive controls for more jamming with less programming. At the heart of YC73 is Yamaha's proprietary Virtual Circuitry Modeling (VCM) organ engine which recreates individual components right down to the transistors and resistors to reproduce classic tonewheel organ