Chirgilchin performing various styles of Tuvan Throat Singing.
Overtone singing – also known as overtone chanting, harmonic singing, or throat singing – is a type of singing in which the singer manipulates the resonances created in the vocal tract, in order to produce a melody.
From a fundamental pitch, made by the human voice, the belonging harmonic overtones can be selectively amplified by changing the shape of the resonant cavities of the mouth, larynx, and pharynx. This resonant tuning allows singers to create more than one pitch at the same time (the fundamental and one or more selected overtones), while actually generating only a single fundamental frequency with their vocal folds.
Each note is like a rainbow of sound. When you shoot a light beam through a prism, you get a rainbow. You think of a rainbow of sounds when you sing one note. If you can use your throat as a prism, you can expose the rainbow – through positioning the throat in a certain physical way, which will reveal the harmonic series note by note.
- 1 Asia
- 2 Europe
- 3 North America
- 4 Africa
- 5 Non-traditional styles
- 6 See also
- 7 Notes
- 8 References
- 9 External links
Mongolia and Buryatia
Main article: Music of Mongolia § Throat singing
It is thought that the art of overtone singing originated in southwestern Mongolia in today’s Khovd Province and Govi Altai region. Nowadays, overtone singing is found throughout the country and Mongolia is often considered the most active center of overtone singing in the world. The most commonly practiced style, Khöömii (written in Cyrillic as Хөөмий), can be divided up into the following categories:
- uruulyn / labial khöömii
- tagnain / palatal khöömii
- khamryn / nasal khöömii
- bagalzuuryn, khooloin / glottal, throat khöömii
- tseejiin khondiin, khevliin / chest cavity, stomach khöömii
- turlegt or khosmoljin khöömii / khöömii combined with long song
Mongolians also use many other singing styles such as “karkhiraa” (literally “growling”) and “isgeree”.
Main article: Tuvan throat singing
Tuvan overtone singing is practiced in the Republic of Tuva (southern Siberia, Russia) and it’s called Khöömei.
The Tuvan way of singing overtones is based on appreciation of complex sounds with multiple layers or textures, which is how the Tuvans developed a wide range of rhythmic and melodic styles during the centuries.
Most of the styles are sung with “korekteer” (korek = chest, teer = to sing. Literally “to sing with chest voice”), and the main ones are:
- Kargyraa (which also uses a second sound source made by false vocal folds. This technique is called “false-folds-diplophony”)
And other special sub-styles like:
- Byrlang (a unique type of vibrato, mainly applied to khöömei and kargyraa styles)
The melodies are traditionally created by using the 6th, 8th, 9th, 10th, 12th, 13th and sometimes the 16th harmonics, which form the major pentatonic scale, so the 7th and 11th harmonics are carefully skipped.
The most peculiar melody, from Tuvan tradition, is “Artii Sayir”, mostly performed in kargyraa style.
Altai and Khakassia
Tuva’s neighbouring Russian regions, the Altai Republic to the west and Khakassia to the northwest, have developed forms of throat singing called “kai”, or “khai”. In Altai, this is used mostly for epic poetry performance, to the accompaniment of a topshur. Altai narrators (“kai-chi“) perform in kargyraa, khöömei, and sygyt styles, which are similar to Tuvan. They also have their own style, a very high harmonics, emerging from kargyraa. Variations of kai are called karkyra, sybysky, homei, and sygyt. The first well-known kai-chi was Kalkin.
Tibetan Buddhist chanting is a subgenre of throat singing, mainly practiced by monks of Tibet, including Qinghai (Khokhonor) province in the Tibetan plateau area, Tibetan monks of Nepal, Bhutan, India, and various locations in the Himalayan region. Most often the chants hold to the lower pitches possible in throat singing. Various ceremonies and prayers call for throat singing in Tibetan Buddhism, often with more than one monk chanting at a time. There are different Tibetan throat singing styles, such as Gyuke (Tibetan: རྒྱུད་སྐད་, Wylie: rgyud skad) – this style uses the lowest pitch of voice; Dzoke (Tibetan: མཛོ་སྐད་, Wylie: mdzo skad), and Gyer (Tibetan: གྱེར་, Wylie: gyer).
Uzbekistan and Kazakhstan
Pakistan, Iran and Afghanistan
Main article: Cantu a tenore
On the island of Sardinia (Italy), especially in the subregion of Barbagia, one of the two different styles of polyphonic singing is marked by the use of throat singing. This kind of choir is called “singing a tenore“. The other style, known as cuncordu, does not use throat singing. Cantu a Tenore is practiced by groups of four male singers, each of whom has a distinct role; the ‘oche or boche (pronounced /oke/ or /boke/, “voice”) is the solo voice, while the mesu ‘oche or mesu boche (“half voice”), contra (“against”), and bassu (“bass”) – listed in descending pitch order – form a chorus (another meaning of tenore). Boche and mesu boche sing in a regular voice, whereas contra and bassu sings with the use of the false vocal folds, just like the Tuvan Khoomei and Kargyraa techniques. In 2005, Unesco classed the cantu a tenore as an intangible world heritage. The most well known groups who perform the singing a Tenore are from Bitti, Orosei, Oniferi, and Neoneli. Each town has usually more than one group, and their name is based on a specific place, or monument, and then their hometown: for example: Tenore Su Remediu(place) de Orosei(Town).
The Sami people of the northern parts of Sweden, Norway, Finland, and the Kola Peninsula in Russia have a singing genre called yoik. While overtone techniques are not a defining feature of yoik, individuals sometimes utilize overtones in the production of yoik.
The Bashkirs of Bashkortostan, Russia have a style of overtone singing called özläü (sometimes spelled uzlyau; Bashkort Өзләү), which has nearly died out. In addition, Bashkorts also sing uzlyau while playing the kurai, a national instrument. This technique of vocalizing into a flute can also be found in folk music as far west as the Balkans and Hungary.
The resurgence of a once-dying Inuit tradition called katajjaq is currently under way in Canada. Inuit throat singing was a form of entertainment among Inuit women while the men were away on hunting trips. It was an activity that was primarily done by Inuit women, though men also did it. In the Inuit language Inuktitut, throat singing is called katajjaq, pirkusirtuk, or nipaquhiit, depending on the Canadian Arctic region. It was regarded more as a type of vocal or breathing game in the Inuit culture rather than a form of music. Inuit throat singing is generally done by two individuals but can involve four or more people together as well. In Inuit throat singing, two women would face each other either standing or crouching down while holding each other’s arms. One would lead with short deep rhythmic sounds while the other would respond. The leader would repeat sounds with short gaps in between. The follower would fill in these gaps with her own rhythmic sounds. Sometimes both women would be doing a dance-like movement such as rocking from left to right while throat singing. The practice is compared more to a game or competition than to a musical style. In the game, Inuit women sit or stand face-to-face and create rhythmic patterns.
Some Thembu Xhosa women of South Africa have a low, rhythmic style of throat-singing, similar to the Tuvan Kargyraa style, that is called umngqokolo. It is often accompanied by call-and-response vocals and complicated poly-rhythms.
Canada, United States, and Europe
The 1920s Texan singer of cowboy songs, Arthur Miles, independently created a style of overtone singing, similar to sygyt, as a supplement to the normal yodelling of country western music. Blind Willie Johnson, also of Texas, is not a true overtone singer according to National Geographic, but his ability to shift from guttural grunting noises to a soft lullaby is suggestive of the tonal timbres of overtone singing.
Starting in the 1960s, some musicians in the West either have collaborated with traditional throat singers or ventured into the realm of throat singing and overtone singing, or both. Some made original musical contributions and helped this art rediscover its transcultural universality. As harmonics are universal to all physical sounds, the notion of authenticity is best understood in terms of musical quality. Musicians of note in this genre include Collegium Vocale Köln (who first began using this technique in 1968), Michael Vetter,Tran Quang Hai, David Hykes, Jill Purce, Jim Cole, Ry Cooder, Paul Pena (mixing the traditional Tuvan style with that of American Blues), Steve Sklar, and Kiva (specializing in jazz/ world beat genres and composing for overtone choirs). Others include composer Baird Hersey and his group Prana with Krishna Das (overtone singing and Hindu mantra), as well as Canadian songwriter Nathan Rogers, who has become an adept throat singer and teaches Tuvan throat singing in Winnipeg, Manitoba.
Paul Pena was featured in the documentary Genghis Blues, which tells the story of his pilgrimage to Tuva to compete in their annual throat singing competition. The film won the documentary award at the 1999 Sundance Film Festival, and was nominated for an Oscar in 2000.
Tuvan singer Sainkho Namtchylak has collaborated with free jazz musicians such as Evan Parker and Ned Rothenberg. Lester Bowie and Ornette Coleman have worked with the Tenores di Bitti, and Eleanor Hovda has written a piece using the Xhosa style of singing. DJs and performers of electronic music like The KLF have also merged their music with throat singing, overtone singing, or with the theory of harmonics behind it.
Tran Quang Hai , a researcher on overtone singing since 1969 in Paris,France, has published many articles, videos on overtone singing from 1971. His film “The Song of Harmonics” directed by Hugo Zemp in 1989 obtained 4 international prizes in Estonia (1990) France (1990) and Canada (1991).
David Hykes, a pioneer in new music, contemplative chant and healing sounds, founded Harmonic Chant in New York in 1975, the year he also founded his legendary group, The Harmonic Choir, considered to be one of the world’s pre-eminent overtone ensembles.
Wolfgang Saus, from Germany, is considered one of the major teachers/performers of “polyphonic overtone singing” in Europe. Formerly trained as a classical baritone, his unique skills makes him instantly recognizable. He’s also a renowned composer and arranger of polyphonic overtone singing music for solo voice and choirs.
The Overtone Choir Spektrum from Prague, Czech Republic, is unique among overtone choirs, particularly because it connects traditional choir singing with overtone techniques. It is the only one of its kind in the Czech Republic, and one of only a few in the world. 
Sherden Overtone Choir was founded in 2016 in Sardinia by Ilaria Orefice and Giovanni Bortoluzzi. The choir combines Tuvan Throat Singing Styles with Sardinian Throat singing.
Contemporary multi-instrumentalist performer The Suitcase Junket employs a self-taught overtone singing, or throat singing technique in his live and recorded performances.
Several contemporary classical composers have incorporated overtone singing into their works. Karlheinz Stockhausen was one of the first, with Stimmung in 1968. Tran Quang Hai (b.1944), a French national of Vietnamese origin, created the composition “Ve Nguon” with the collaboration of Vietnamese composer Nguyen Van Tuong in 1975, in Paris. “Past Life Melodies” for SATB chorus by Australian composer Sarah Hopkins (b. 1958) also calls for this technique. In Water Passion after St. Matthew by Tan Dun, the soprano and bass soloists sing in a variety of techniques including overtone singing of the Mongolian style.
In 2014 German singer Anna-Maria Hefele went viral on YouTube with her “polyphonic overtone” singing. The Huffington Post has commented on her “amazing ability” and her singing being “utterly bizarre”. On 10 October 2014, she was number two on The Guardian’s Viral Video Chart, with one online video titled Polyphonic Overtone Singing, which features Hefele as she demonstrates and explains overtones. As of March 2018, this video has received more than 11 million hits.
Titze 2008; Titze 1994; Pariser & Zimmerman 2004 Corzine, Amy (2012). The Secret Life of the Universe: The Quest for the Soul of Science, unpaginated. She is quoting a musician. Watkins Media. ISBN9781780282213. Sklar, 2005 4.3.02. “Inuit Throat-Singing”. Mustrad.org.uk. Retrieved 2008-11-27. Shimomura Isao (下村五三夫), Itō Daisuke (伊藤大介) 樺太アイヌの喉交換遊びレクッカラについてKitami Institute of Technology, 2008 Bandinu 2006. “Inuit Throat Singing”. Dr. Dave Dargie “Some recent developments in Xhosa music : activities of the Ngqoko Traditional Xhoa Music Ensemble, and at the University of Fort Hare”. Retrieved on 2014-04-23. Dr. Dave Dargie “UMNGQOKOLO – Thembu Xhosa – OVERTONE SINGING filmed 1985–1998 in South Africa”. Retrieved on 2014-04-23. Dargie, Dave. “Xhosa Overtone Singing” The world of South African music: A reader. Cambridge Scholars Press, 2005. 152–155 Google Books Web. 23 Apr. 2014.  Miller, Bruce. “Overtone Singing Music”. National Geographic. Retrieved February 20, 2012. Bellamy and MacLean 2005, 515. “German Musician Anna-Maria Hefele Demonstrates Polyphonic Overtone Singing, And It’s Amazing”. Huffington Post. Retrieved 12 October 2014.
- Perraudin, Frances (10 October 2014). “Viral Video Chart”. The Guardian. Retrieved 12 October 2014.
- Bandinu, Omar (2006). “Il canto a tenore: dai nuraghi all’Unesco“, Siti 2, no.3 (July–September): 16–21.
- Bellamy, Isabel, and Donald MacLean (2005). Radiant Healing: The Many Paths to Personal Harmony and Planetary Wholeness. Buddina, Queensland (Australia): Joshua Books. ISBN 0-9756878-5-9
- Haouli, Janete El (2006). Demetrio Stratos: en busca de la voz-música. México, D. F.: Radio Educación – Consejo Nacional para la Cultura y las Artes.
- Hefele, Eklund & McAllister (2019). “Polyphonic Overtone Singing: An Acoustic and Physiological (MRI) Analysis and a First-person Description of a Unique Mode of Singing”. In: Mattias Heldner (ed.): Proceedings from Fonetik 2019, 10–12 June 2019, Stockholm, Sweden. PERILUS XXVII, ISSN 0282-6690, ISBN 978-91-7797-984-5 (print version), ISBN 978-91-7797-985-2 (electronic version), doi:10.5281/zenodo.3246011, pp. 91–96.
- Levin, Theodore C., and Michael E. Edgerton (1999). “The Throat Singers of Tuva“. Scientific American 281, no. 3 (September): 80–87.
- Levin, Theodore, and Valentina Süzükei (2006). Where Rivers and Mountains Sing. Bloomington: Indiana University Press. ISBN 0-253-34715-7.
- Pariser, David, and Enid Zimmerman (2004). “Learning in the Visual Arts: Characteristics of Gifted and Talented Individuals,” in Handbook of Research and Policy in Art Education, Elliot W. Eisner and Michael D. Day (editors). Lawrence Erlbaum Associates. p. 388. ISBN 978-0-8058-4972-1.
- Saus, Wolfgang (2004). Oberton Singen. Schönau im Odenwald: Traumzeit-Verlag. ISBN 3-933825-36-9 (German).
- Sklar, Steve (2005). “Types of throat singing” ““
- Titze, Ingo R. (1994). Principles of Voice Production. Englewood Cliffs, NJ: Prentice Hall. ISBN 978-0-13-717893-3 Reprinted Iowa City: National Center for Voice and Speech, 2000. (NCVS.org) ISBN 978-0-87414-122-1 .
- Titze, Ingo R. (2008). “The Human Instrument”. Scientific American 298, no. 1 (July):94–101. PM 18225701
- Tongeren, Mark C. van (2002). Overtone Singing: Physics and Metaphysics of Harmonics in East and West. Amsterdam: Fusica. ISBN 90-807163-2-4 (pbk), ISBN 90-807163-1-6 (cloth).
- Tran Quang Hai(2018) “50 Years of Research in Vietnamese Traditonal Music and Overtone Singing”. 462p, Tu Sach Khai Tri, California, USA,ISBN 9781790239085
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- Overtone singing used in choir music – Overtone Choir Spektrum & Jan Stanek
- Overtone singing in a water tower – Jim Cole & Spectral Voices
- Audio samples of overtone and throat singing
- Online overtone singing generator
- Ken-Ichi Sakakibara Overtone singing research.
- Harmonic singing vs. normal singing – acoustical measurements and explanation
- Scientific American: The Throat Singers of Tuva
- Types of Throat Singing with Tips /Tuvan Throat-Singing by Steve Sklar
- Observation of the Laryngeal Movements for Throat Singing: Vibration of two pairs of folds in human larynx
- Audio samples of throat singing
- www.overtonesinging.com Overtone Singing with Rollin Rachele
- Tuva throat singers on Flickr
- Kiva’s audio samples and information on overtone singing
- Read in Serbian on muzickacentrala.com
- Chukchi throat singing (Zoïa Tagrin’a, Olga Letykaï)
- Overtone singing music
-  – articles, video clips on overtone singing in Tuva, Mongolia, South Africa, Tibet
-  – articles, video clips on overtone singing in the world.
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