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| Clapping is occasionally used as a ] element in ], particularly in ]. One composition by ], '']'', is entirely performed by clapping. The clapping patterns known as ] are important in Javanese ]. | Clapping is occasionally used as a ] element in ], particularly in ]. One composition by ], '']'', is entirely performed by clapping. The clapping patterns known as ] are important in Javanese ]. | ||
| == Pedagogical applications == | |||
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| Music students often clap the rhythm of written music to help learn the value of different notes and to get accustomed to the rhythm of new pieces. A book that is often used to demonstrate this is ''Rhythmic Training'' by ]. | |||
| == Acoustics applications == | == Acoustics applications == | ||
Revision as of 07:30, 4 July 2006
A clap is the sound made by striking together two flat surfaces, as in the body parts of humans or animals. Humans clap with the palms of their hands, often in a constant drone to express approval (see applause), but also in rhythm to match sounds in music and dance. Seals are among the animals that clap.
There is a well-known koan that involves, superficially, consideration of the act of clapping: "What is the sound of one hand clapping?"
Clapping is occasionally used as a percussion element in music, particularly in Gospel music. One composition by Steve Reich, Clapping music, is entirely performed by clapping. The clapping patterns known as keplok are important in Javanese gamelan.
Pedagogical applications
Music students often clap the rhythm of written music to help learn the value of different notes and to get accustomed to the rhythm of new pieces. A book that is often used to demonstrate this is Rhythmic Training by Robert Starer.
Acoustics applications
Clapping can be used in acoustics to check the reverberation time of a room. The clap's decay time determines this. Pretty much any sound can be used to do this but a sound of a hand clap delivers a clear sound of short length and is readily available.
Medical applications
Inhalation therapists frequently use clapping (light slaps with a cupped hand on a patient's back, chest, and under arms) to dislodge mucus from breathing passages in order to improve airflow.