This 88 key full size strength-sensitive electronic piano's key sounds change as you press the pressure. The keys on the semi-weighted keyboard play back faster and have a lighter feel than the 88 ...

According to Yamaha, the reason for the 88 keys has ... There are 36 black keys on a standard 88-key piano. The black keys represent sharps and flats. A standard piano with 88 keys has 52 white ...