List of musical instruments by Hornbostel–Sachs number: 32 explained

4: Hammers or beaters
5: Bare hands and fingers
6: <a href="../Plectrum/" title="A plectrum is a small flat tool used for plucking or strumming of a stringed instrument.">Plectrum
7: Bowing 71 : Using a <a href="../bow_(music)/" title="Bow is a tensioned stick which has hair coated in rosin affixed to it.">bow 72 : Using a wheel 73 : Using a ribbon
8: <a href="../Musical_keyboard/" title="A musical keyboard is the set of adjacent depressible levers or keys on a musical instrument.">Keyboard
9: Using a mechanical drive

This is a list of instruments by Hornbostel-Sachs number, covering those instruments that are classified under 32 under that system. This category includes all string instruments in which the resonator cannot be removed without resulting in the destruction of the instrument, labelled as composite chordophones.

These instruments may be classified with a suffix, based on how the strings are caused to vibrate.