A typical piano has 88 keys spanning just over seven octaves. There are other, smaller keyboards or synthesizers that have fewer keys – most come in increments of 25, 32, 49, 61 or 72 keys.
A standard piano has 88 keys: 52 white and 36 black. But who decided this number would be the norm, and why? The king of instruments has played a significant role in music history. From concertos and ...