An overtone flute is a type of a

flute The flute is a member of a family of musical instruments in the woodwind group. Like all woodwinds, flutes are aerophones, producing sound with a vibrating column of air. Flutes produce sound when the player's air flows across an opening. In th ...

that is designed to play in the upper

harmonic In physics, acoustics, and telecommunications, a harmonic is a sinusoidal wave with a frequency that is a positive integer multiple of the ''fundamental frequency'' of a periodic signal. The fundamental frequency is also called the ''1st har ...

s, typically well above the two or three harmonics that are the practical limit for most

woodwind instrument Woodwind instruments are a family of musical instruments within the greater category of wind instruments. Common examples include flute, clarinet, oboe, bassoon, and saxophone. There are two main types of woodwind instruments: flutes and ...

s. An overtone flute has either no

tone hole A tone hole is an opening in the body of a wind instrument which, when alternately closed and opened, changes the pitch (music), pitch of the sound produced. Tone holes may serve specific purposes, such as a trill hole or register hole. A tone ...

s,Maclagan, Susan J. (2009). ''A Dictionary for the Modern Flutist'', p.124. . or relatively few tone holes for a woodwind instrument. To make

melodies A melody (), also tune, voice, or line, is a linear succession of musical tones that the listener perceives as a single entity. In its most literal sense, a melody is a combination of pitch and rhythm, while more figuratively, the term ca ...

, one plays it high into the

overtone series The harmonic series (also overtone series) is the sequence of harmonics, musical tones, or pure tones whose frequency is an integer multiple of a ''fundamental frequency''. Pitched musical instruments are often based on an acoustic resonator s ...

. One series of harmonics is achieved by overblowing with the end of the tube open and another is achieved with the end closed; when the end of the flute is closed, the key drops by one octave and only the uneven harmonics can pop out. This means that overtone flutes without tone holes will produce mostly the notes present in the natural scale, whilst certain notes can be bent a bit by partially covering the end of the flute. Overtone flute tubes typically have a relatively long resonating chamber compared to their inner diameter or cross sectional area, which encourages the instrument to resonate in the higher harmonics. An overtone flute in the key of G, with an inner diameter of 1", will require more effort to play higher harmonics than an overtone flute in the same key, with an inner diameter of 1/2". For example, a ratio of 1 : 30 - Inner Diameter : Length allows for very high harmonics to be played with little effort.

Examples

* Kalyuka —

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

n and Ukrainian overtone flute. Traditionally, the Kalyuka was constructed from a hollow plant stem. Because of the fragile nature of the stem, the instrument was played seasonally. * Tylynka/ Tilinkó / Tilinca - Ukrainian/

Hutsul The Hutsuls (Rusyn language, Hutsul/; ; ) are an East Slavs, East Slavic ethnic group spanning parts of western Ukraine and northern Romania (i.e. parts of Bukovina and Maramureș). In Ukraine, they have often been officially and administra ...

, Hungarian, and

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n overtone flute. * Telenka — The telenka (), along with the sopilka (), is a prominent instrument in Kalush Orchestra's 2022 song " Stefania", which won the

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for Ukraine. * Willow flute -

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n flute * Fujara — a Slovak flute. Also known as the "Shepherd's Flute", the Fujara was developed over many years by shepherds in Slovakia and Poland. The Fujara incorporates what we now know as the major scale. There are three playing holes, the full scale is played by overblowing from the 4th of the scale (all holes open - 1st harmonic), to the 5th (all holes closed - 2nd harmonic). * Koncovka — Slovak overtone flute with a fipple. The Koncovka is very similar to the Kalyuka. * Choctaw overtone flute

References

{{commonscat, Overtone flutes

Examples

See also

References