String instrument String instrument String instruments, stringed instruments, or chordophones are musical instruments that produce sound from vibrating strings when the performer plays or sounds the strings in some manner. Musicians play some string instruments by plucking the strings with their fingers or a plectrum—and others by hitting the strings with a light wooden hammer or by rubbing the strings with a bow. In some keyboard instruments, such as the harpsichord, the musician presses a key that plucks the string. With bowed instruments, the player rubs the strings with a horsehair bow, causing them to vibrate. With a hurdy-gurdy, the musician operates
Hurdy-gurdy the instrument has been revived, musicians have used it in a variety of styles of music (see the list of recordings that use hurdy-gurdy), including contemporary forms not typically associated with it. In the eighteenth century, the term "hurdy-gurdy" was also applied to a small, portable "barrel organ" (a cranked box instrument with a number of organ pipes, a bellows and a barrel with pins that rotated and programmed the tunes) that was frequently played by poor buskers (street musicians). Barrel organs require only the turning of the crank to play; the music is coded by pinned barrels, perforated paper