Humming  

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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.
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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.

A hum is a sound made by humming a wordless tone with the mouth opened or closed, forcing the sound to emerge from the nose. To hum is to produce such a sound, often with a melody.

A hum has a particular timbre (or sound quality), usually a monotone or with slightly varying tones. There are other similar sounds not produced by human singing that are also called hums, such as a sound produced by machinery in operation or by an insect in flight. The hummingbird was named for the sound that bird makes in flight.

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Mechanics

A 'hum' or 'humming' by humans is created by the resonance of air in various parts of passages in the head and throat, in the act of breathing. The 'hum' that a hummingbird creates is also created by resonance: in this case by the passage of air against wings in the actions of flying, especially of hovering.

Humming in human evolution

Joseph Jordania suggested that humming could have played an important role in the early human (hominid) evolution as contact calls. Many social animals produce seemingly haphazard and indistinct sounds (like chicken cluck) when they are going about their everyday business (foraging, feeding). These sounds have two functions: (1) to let group members know that they are among kin and there is no danger, and (2) in case of the appearance of any signs of danger (suspicious sounds, movements in a forest), the animal that notices danger first, stops moving, stops producing sounds, remains silent and looks in the direction of the danger sign. Other animals quickly follow suit and very soon all the group is silent and is scanning the environment for the possible danger. Charles Darwin was the first to notice this phenomenon on the example of the wild horses and the cattle (Darwin, Descent of Men, 2004:123). Joseph Jordania suggested that for humans, as for many social animals, silence can be a sign of danger, and that's why gentle humming and musical sounds relax humans (see the use of gentle music in music therapy, lullabies).

Music

Humming is often used in music of genres, from classical to jazz to R&B.

Another form of music derived from basic humming is the humwhistle. The folk art, also known as "whistle-hum," produces a high pitch and low pitch simultaneously. The two-tone sound is related to field holler, overtone singing, and yodeling.

See also

  • Kazoo
  • The Hum - an apparently widespread phenomenon involving a low-frequency hum of unknown origin, inaudible to most people
  • Mains hum - an electric or electromagnetic phenomenon that causes a low frequency (50 or 60 Hz) audible signal




Unless indicated otherwise, the text in this article is either based on Wikipedia article "Humming" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on original research by Jahsonic and friends. See Art and Popular Culture's copyright notice.

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