An 88-key piano has seven octaves plus three lower notes (B, B flat and A) below the bottom C. It has 52 white keys and 36 black keys (sharps and flats), with each octave made up of seven white keys ...

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.

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. How does a grand piano make such a beautiful sound? Piano technician Ara Vartoukian explains by ...

In the Classical era, the colours on a piano keyboard were the other way round – the black keys white, and the white keys, black. So, when did it all change? And why are pianos made up of monochrome ...