Pygmy music includes the Sub-Saharan African music traditions of a broad group of people who live in Central Africa, especially in the Congo, the Central African Republic and Cameroon. Pygmy groups include the Baka, the Aka, the Twa peoples and the Efé. Music is an important part of Pygmy life, and casual performances take place during many of the day's events. Music comes in many forms, including the spiritual likanos stories, vocable singing and music played from a variety of instruments including the bow harp (ieta), ngombi (harp zither) and limbindi (a string bow).
The Mbenga (Aka/Benzele} and Baka peoples in the west and the Mbuti (Efé) in the east are particularly known for their dense contrapuntal communal improvisation. Simha Arom says that the level of polyphonic complexity of Mbenga–Mbuti music was reached in Europe only in the 14th century. The polyphonic singing of the Aka Pygmies was relisted on the Representative List of the Intangible Cultural Heritage of Humanity in 2008.
Mbenga–Mbuti Pygmy music consists of up to four parts and can be described as an "ostinato with variations" similar to a passacaglia in that it is cyclical. It is based on repetition of periods of equal length that each singer divides using different rhythmic figures specific to different repertoires and songs. This creates a detailed surface and endless variations not only of the same period repeated but of various performances of the same piece of music. As in some Balinese gamelan music these patterns are based on a super-pattern which is never heard. The Pygmies themselves do not learn or think of their music in this theoretical framework, but learn the music growing up.
The typical Pygmy scale is a minor pentatonic scale and follows the sequence of steps: tone, half tone, ditone, tone + half tone and tone. The use of a half tone makes it a Hemitonic scale. A Pygmy scale in C would consist of the notes: C, D, Eb, G and Bb.
Use of the Pygmy scale has grown in popularity since the invention of the Hang (instrument) in the year 2000, handpan's such as the Halo and also steel tongue drums, all of which have been made using sound models based on the Pygmy scale.
Liquindi is water drumming, typically practiced by Pygmy women and girls. The sound is produced by persons standing in water, and hitting the surface of the water with their hands, such as to trap air in the hands and produce a percussive effect that arises by sudden change in air pressure of the trapped air. The sound cannot exist entirely in water, since it requires the air-water boundary as a surface to be struck, so the sound is not hydraulophonic.
Hindewhu is a style of singing/whistle-playing of the BaBenzélé pygmies of the Central African Republic. The word is an onomatopoeia of the sound of a performer alternately singing pitched syllables and blowing into a single-pitch papaya-stem whistle. Hindewhu announces the return from a hunt and is performed solo, duo or in groups.
Colin M. Turnbull, an American anthropologist, wrote a book about the Efé Pygmies, The Forest People, in 1965. This introduced Mbuti culture to Western countries. Turnbull claimed that the Mbuti viewed the forest as a parental spirit with which they could communicat via song.
Some of Turnbull's recordings of Efé music were commercially released and inspired more ethnomusicological study such as by Simha Arom, a French-Israeli who recorded hindewhu, and Luis Devin, an Italian ethnomusicologist who studied in depth the musical rituals and instruments of Baka Pygmies.
Some popular musicians have used hindewhu in their music:
- "Hunting", a song by Deep Forest from their album Made in Japan.
- "Ba-Benzélé", a song by Jon Hassell and Brian Eno from the album Fourth World, Vol. 1: Possible Musics (1980).
- Percussionist Bill Summers imitates hindewhu in the track "Watermelon Man" by Herbie Hancock from the album Head Hunters (1973), in the song "Watermelon Man" (see hocket).
- "Sanctuary", a song by Madonna from the album Bedtime Stories (1994) samples the Herbie Hancock recording.
- In 1992 the popularization of Pygmy music spread with the release of Eric Mouquet and Michel Sanchez's Deep Forest. A percentage of the proceeds from each album were donated to the Pygmy Fund set up to aid Zaire's Pygmies.
- Also in 1992 Martin Cradick and Su Hart spent three months living with and recording Baka in Cameroon.  result was the creation of the band Baka Beyond and the release of their collaboration with the Baka musicians, "Spirit of the Forest" alongside the album "Heart of the Forest", and a musical relationship that has lasted over twenty years . Proceeds from both these albums have returned to the Baka musicians through the charity Global Music Exchange which continues to work with the Baka helping them in their rapidly changing environment. 
- Aimard, Pierre-Laurent; Ligeti, György; Reich, Steve; Arom, Simha; and Schomann, Stefan (2003). Liner notes, African Rhythms. Music by Aka Pygmies, performed by Aka Pygmies; Ligeti and Reich, performed by Aimard. Teldec Classics: 8573 86584-2.
- "Baka Beyond". AllMusic.com. Retrieved 28-September-2013.
- "Baka Beyond, Cargo, London". The Guardian. Retrieved 2013-10-13.
- "World Music Central.org". Retrieved 2013-10-13.
- "BAKA BEYOND ( Portugal & Spain) - virtualWOMEX". Retrieved 2013-10-13.
Sources and further reading
- Abram, Dave. "Sounds From the African Rainforest". 2000. In Broughton, Simon and Ellingham, Mark with McConnachie, James and Duane, Orla (Ed.), World Music, Vol. 1: Africa, Europe and the Middle East, pp 601–607. Rough Guides Ltd, Penguin Books. ISBN 1-85828-636-0
- Lotte Hughes The No-Nonsense Guide to Indigenous Peoples (Verso, 2003) ISBN 1859844383, page 109
- Born, Georgina; & Hesmondhalgh, David [ed.] (2000). Western Music and Its Others: Difference, Representation, and Appropriation in Music. University of California Press. pp. 156–159. ISBN 0-520-22084-6
- Aka Pygmy Music. Recorded by Simha Arom. Philips 6586 016. Part of the UNESCO Collection (Musical Sources I-2); reissued as Auvidis D 8054.
- Ba-Benzélé Pygmies. Bärenreiter BM 30 L 2303. Part of the UNESCO Collection (third in the Anthology of African Music); reissued as Rounder CD 5107.
- Cameroon: Baka Pygmy Music (1977). EMI/Odeon 3C 064-18265. Part of the UNESCO Collection (Musical Atlas, #18); reisssued as Auvidis D 8029 (1990).
- African Rhythms (2003). Music by Aka Pygmies, performed by Aka Pygmies, György Ligeti and Steve Reich, performed by Pierre-Laurent Aimard. Teldec Classics: 8573 86584-2. Liner notes by Aimard, Ligeti, Reich, and Simha Arom and Stefan Schomann.
- Music of the Rainforest Pygmies. Historic recordings made by Colin M. Turnbull. Lyrichord: LYRCD 7157.
- Echoes of the Forest: Music of the Central African Pygmies. Recordings by Colin M. Turnbull, Jean-Pierre Hallet and Louis Sarno. Ellipsis Arts: Musical Expeditions CD 4020
- Heart of the Forest: Music of the Baka Forest People of South-East Cameroon. Recordings by Martin Cradick and Jeremy Avis. Hannibal Records: HNCD1378.
- Baka in the Forest: traditional songs of the Baka women recorded live in the Cameroon rainforest.. Recordings by Su Hart. March Hare: MAHA CD29.
- Water Drumming (Liquindi)
- Frantovy stránky - O nástrojích - Liquindi / Water drums
- African Pygmies Pygmy music and culture, with audio recordings and soundscapes
- Philadelphia CityPaper.net: 20 questions Louis Sarno an interview by Deni Kasrel, June 13–20, 1996 regarding BaBenzl Pygmies
- Deep Forest music site - with music samples
- Baka Forest People - many music samples, photos and videos of Baka music
- Baka Beyond site - with links to access Baka recordings