Yamaha DGX-660 88-Key Weighted Action Digital Grand Piano Premium with Matching Stand, Black The Pure CF Sound Engine faithfully reproduces the tone of a meticulously sampled and highly acclaimed Yamaha concert grand piano GHS weighted action is heavier in the low register and lighter in the high, just like an acoustic piano Score Display puts music notation of MIDI songs on the screen, helping you play your favorites by following the bouncing ball The Piano Room lets you choose from a variety of pianos and acoustic settings to create your own personal piano environment The 6-track recorder allows you to capture your performances and song ideas, then add additional layers to spice-up your pieces