A keyboard instrument is an instrument that is played by pressing the keys of a keyboard. In a keyboard, the notes are arranged with naturals (usually white notes) forming the main body of the keyboard, and sharps and flats (usually black notes) placed in cuttings into the upper half of the naturals.
The ways in which the sound is made varies a lot:
- In the piano, hammers hit the strings.
- In the organ, air is sent through pipes.
- In the electronic organ or synthesizer, sound is made electronically.
- In the harpsichord, the strings are plucked by quills or “jacks”.
- In the clavichord, the strings are hit by a metal “tangent”.
In the 17th and 18th centuries, the word Clavier was used in Germany to mean any kind of keyboard instrument. Often, the naturals were black and the sharps and flats were white (see picture of harpsichord), but the layout was exactly the same.
Nowadays, people often talk about a keyboard meaning an electronic keyboard (e.g. “He plays the keyboard”). The plural form of the word is "keyboards".
Yamaha have now made the most successful keyboards, selling over 770,000 a year.