The Yamaha DGC1 is a 161cm grand piano with full Disklavier Entertainment & Educational features. When played by a pianist, the instrument behaves in the same way as any other piano with its 88 keys, strings, hammers, iron frame and everything else that is in a piano however the Disklavier can do things that a normal piano cannot. One can record and play back performances, complete with moving keys and pedals. The DGC1 can stream performances from Disklavier Radio, 24 hours a day. MIDI (musical