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Membranophones


A membranophone is any musical instrument which produces sound primarily by way of a vibrating stretched membrane. It is one of the four main divisions of instruments in the original Hornbostel-Sachs scheme of musical instrument classification.

Most membranophones are drums. Hornbostel-Sachs divides drums into three main types: struck drums, where the skin is hit with a stick, the hand, or something else; string drums, where a knotted string attached to the drum's skin is pulled, passing its vibrations onto the skin; and friction drums, where some sort of rubbing motion causes the skin to vibrate (a common type has a stick passing through a hole in the skin which is pulled back and forth).

In addition to drums, there is another kind of membranophone, called the singing membranophone, of which the best known type is the kazoo. These instruments modify a sound produced by something else, commonly the human voice, by having a skin vibrate with it.


The Hornbostel-Sachs scheme of musical instrument classification divides membranophones in a numeric taxonomy based on how the sound is produced:

Membranophones can also be divided into large divisions based on shape and manner of sound production:

SIL International maintains a classification system based largely on shape:

The traditional Chinese method of classifying instruments by composite material renders the following categories of drums:

Traditional Japanese and Korean instrument classification schemes use essentially the same scheme.

The traditional classification of Indian instruments include two categories of membranophones.

The predrum category consists of simple drum-like percussion instruments. These include the ground drum, which, in its most common §—Form, consists of an animal skin stretched over a hole in the ground, and the pot drum, made from a simple pot.

Water drums are also sometimes treated as a distinct category of membranophone. Common in Native American music and the music of Africa, water drums are characterized by a unique sound caused by filling the drum with some amount of water.


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