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 ...

As strange instruments go, this one might take the biscuit. It’s an automatic piano with just four keys, and, as soon as you press a key to play a note, the whole set of four move quickly away, ...