Aka and Baka polyphony

Summary

Aka and Baka polyphony is a catalogue grouping for related but distinct Central African forest-community vocal traditions. It is not the name of one uniform genre shared without difference by all Aka and Baka people. Interweaving voices, short recurring figures, changes of register and participatory variation can create a dense musical texture without a single dominant lead. Song belongs to social and practical life, including particular communal occasions whose meanings cannot be recovered from sound alone. Community names are preferable to treating older outsider labels as musical definitions.

Contemporary and trending

The traditions continue through community practice and changing circumstances, while recordings have created a separate international listening public. Environmental pressure, displacement and unequal relations with neighboring societies can affect the occasions through which knowledge is passed on. Heritage recognition and concert attention may help visibility, but neither guarantees community control or material well-being. An international collaboration should therefore be heard as one specific setting, not a transparent substitute for everyday life. Current practice includes adaptation and individual creativity as well as the transmission of inherited repertories.

History

These musical systems have been learned through participation rather than dependence on written notation. Children hear and join the surrounding social sound, acquiring relationships among parts and occasions over time. Ethnomusicological recording and analysis brought selected repertories to wider attention, but documentation did not create their sophistication. Historical archives also reflect the priorities and unequal conditions of their making. A responsible introduction treats recorded examples as situated encounters with particular people, not timeless specimens from a forest culture assumed to exist outside history.

Musical characteristics

Listen for several short lines fitting together into a larger cycle, with each participant able to vary a part without destroying the shared form. Some vocal techniques move between chest and head registers, creating the sound often described as yodeling. Clapping, percussion and instruments can organize additional patterns depending on the occasion. Complexity arises from relationships among participants rather than from a written score or one virtuoso soloist. Repetition gives room for variation and recognition; it should not be mistaken for a loop whose performers merely duplicate the same sound indefinitely.

Geography and communities

The map separates an Aka-linked forest landscape around the southwestern Central African Republic and northern Republic of the Congo from a Baka-linked landscape spanning southeastern Cameroon and adjoining forest areas. Broad fields represent communities, movement and countryside rather than capital-city stages. Their overlap is a cartographic convenience, not a claim that the traditions are identical. Sparse online documentation does not justify blank space between settlements. Conversely, international listeners and a festival appearance do not create a strong new community-practice core on another continent.

The inclusive catalogue layer contains distinct Aka and Baka musical systems. The revised fields concentrate on the southwestern CAR/northern Congo and southeastern Cameroon/adjacent forest community landscapes; their overlap is not an assertion of one continuous generic Congo Basin repertoire.

Artists

Community singers, dancers and knowledge bearers are the primary practitioners. Smithsonian's collection and UNESCO's Aka account provide documented entry routes, but the people and location attached to an actual recording matter more than a generic performer label. Named contemporary ensembles can represent particular collaborations; they should not be presented as spokespeople for every community in this grouping. Permissions, recognition and the status of occasion-specific repertoire are material to public reuse. A listener can appreciate musical inventiveness while respecting that access to a recording does not grant unrestricted cultural authority.

Representative performances

These recordings offer listening examples of the genre. Notes identify the performance setting and any adaptation or mixed repertoire.

MuGlobe listening profile

Repertoire	Field use	Notes
traditional	regional	Comprehensive catalogue; recent discovery is prioritized and worthwhile older music remains playable. Preserve specific recording contexts and dates.

MuGlobe representative performances

Artist	Performance / song / title	Embedded player URL	Notes	Repertoire kind	Repertoire date	Recording date	Format	Opening	Places	Fit	Evidence	Review note	MuGlobe favorite	Current hit	Authentic
Baka women of Gbiné	Yelli — Baka women yodellers	https://www.youtube.com/embed/JAYN8GT0N6g	Women from Gbiné perform the interlocking vocal practice called yelli. This supplies a Baka example alongside the distinct Aka tradition, without treating the two peoples as interchangeable.	traditional	unknown	unknown	unknown	unknown	unknown	pending	Existing recording	Legacy unscoped accepted recording retained; migration does not assert new dates or per-country variants. Existing musical notes and native citations are preserved.	false	false	false
Aka community singers	Polyphonic singing of the Aka of Central Africa	https://www.youtube.com/embed/yKLxFmnYO_I	UNESCO’s documentary includes community performances and explains contrapuntal singing and improvisation. It represents the Aka strand of this combined catalogue entry; narration accompanies the performance excerpts.	traditional	unknown	unknown	unknown	unknown	unknown	pending	Existing recording	Legacy unscoped accepted recording retained; migration does not assert new dates or per-country variants. Existing musical notes and native citations are preserved.	false	false	false
SLICE (YouTube channel)	The fascinating songs of the Pygmies | SLICE	https://www.youtube.com/embed/fHNkSYXbVMI	Selected by Ed for Aka and Baka polyphony; embedded playback checked 18 October 2026. Artist attribution is the channel credit; see the video title for performer details.	traditional	unknown	unknown	unknown	unknown	unknown	pending	Existing recording	Legacy unscoped accepted recording retained; migration does not assert new dates or per-country variants. Existing musical notes and native citations are preserved.	false	false	false
Albert Farnós (YouTube channel)	La polifonía de los Pigmeos Baka.	https://www.youtube.com/embed/ygqRuNpWoNM	Selected by Ed for Aka and Baka polyphony; embedded playback checked 18 October 2026. Artist attribution is the channel credit; see the video title for performer details.	traditional	unknown	unknown	unknown	unknown	unknown	pending	Existing recording	Legacy unscoped accepted recording retained; migration does not assert new dates or per-country variants. Existing musical notes and native citations are preserved.	false	false	false
Leïla Martial (YouTube channel)	ÄKÄ-Free voices of forest (Congo tour) //Chapter 2	https://www.youtube.com/embed/aaT54tsyK6E	Selected by Ed for Aka and Baka polyphony; embedded playback checked 18 October 2026. Artist attribution is the channel credit; see the video title for performer details.	traditional	unknown	unknown	unknown	unknown	unknown	pending	Existing recording	Legacy unscoped accepted recording retained; migration does not assert new dates or per-country variants. Existing musical notes and native citations are preserved.	false	false	false
Ndima and Ilú Obá De Min	Ilú Obá De Min - Jam feat NDIMA - Paris 2025	https://www.youtube.com/embed/--vHtNE_HNQ	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher identifies the September2025 Paris jam between Ndima and Afro-Brazilian ensemble Ilú Obá De Min. Explicit contemporary cross-tradition collaboration, not pure unaccompanied Aka polyphony. Video publication: 2026-01-09; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	2025-09	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher identifies the September2025 Paris jam between Ndima and Afro-Brazilian ensemble Ilú Obá De Min. Explicit contemporary cross-tradition collaboration, not pure unaccompanied Aka polyphony.	false	false	false
Ndima	NDIMA polyphonies des Pygmées AKA de la République du Congo, le 12 avril 2024 au Théâtre Molière.	https://www.youtube.com/embed/dUlWHZuQ3aE	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Ndima concert at Théâtre Molière, Ixelles,12 April2024, organised by MuziekPublique; one full musical concert counts as one recording. Video publication: 2024-04-20; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	2024-04-12	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Ndima concert at Théâtre Molière, Ixelles,12 April2024, organised by MuziekPublique; one full musical concert counts as one recording.	false	false	false
Nahwia and Baka women singers	Nahwia leading the Yelli	https://www.youtube.com/embed/Hq6y9HlvmSk	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Baka publisher identifies Nahwia leading yelli at Sakwé in February2008;2024 publication is an archive upload. Video publication: 2024-03-21; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	2008-02	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Baka publisher identifies Nahwia leading yelli at Sakwé in February2008;2024 publication is an archive upload.	false	false	false
Ndima	Ndima - "Akaya" - Polyphonie vocal pygmée AKA	https://www.youtube.com/embed/RoJ-grlRlqc	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. L'Ex-Rex documents Ndima's1 May2022 concert and identifies Akaya as a specific song, not a generic ethnic label. Video publication: 2022-07-22; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	2022-05-01	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. L'Ex-Rex documents Ndima's1 May2022 concert and identifies Akaya as a specific song, not a generic ethnic label.	false	false	false
Ndima	Ndima - Contrapuntal polyphony - AKA Pygmies	https://www.youtube.com/embed/TXa1yQHnpj8	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Distinct contrapuntal performance from Ndima's1 May2022 L'Ex-Rex concert; different work from the separately titled Akaya item. Video publication: 2022-07-22; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	2022-05-01	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Distinct contrapuntal performance from Ndima's1 May2022 L'Ex-Rex concert; different work from the separately titled Akaya item.	false	false	false
Noni and Libala	A baka polyphony around the fire (Baka chronicles, Cameroon, 2013)	https://www.youtube.com/embed/qSS8v4SqM1Y	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Romain Duda identifies Noni and Libala singing around the fire in Messok, Cameroon, April2013. Video publication: 2021-08-23; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	2013-04	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Romain Duda identifies Noni and Libala singing around the fire in Messok, Cameroon, April2013.	false	false	false
Baka musicians at Molembehngoy	More music from Molembehngoy	https://www.youtube.com/embed/vY3aYlwa0pg	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: bakabeyond. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented. Video publication: 2021-06-18; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	unknown	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: bakabeyond. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented.	false	false	false
Angélique Manongo (Ndima)	MCMix#18 CONGO - Berceuse aka « Ba passi ba Baaka » par Angélique Manongo	https://www.youtube.com/embed/jMN3NnJh6b4	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Maison des Cultures du Monde credits Angélique Manongo of Ndima and the2014 Festival de l'Imaginaire; a specific Aka lullaby in a photo/audio presentation. Video publication: 2021-02-09; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	unknown	audio	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Maison des Cultures du Monde credits Angélique Manongo of Ndima and the2014 Festival de l'Imaginaire; a specific Aka lullaby in a photo/audio presentation.	false	false	false
Baka community singers and dancers	360º Film of Baka music and dance filmed in the rainforest	https://www.youtube.com/embed/oxAXBz54ghI	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: bakabeyond. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented. Video publication: 2019-10-29; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	unknown	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: bakabeyond. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented.	false	false	false
Baka women singers of southeastern Cameroon	Welcome to the Rainforest in 360º - Baka women sing "Yelli"	https://www.youtube.com/embed/jsfqKxaMJNs	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: bakabeyond. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented. Video publication: 2019-10-27; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	unknown	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: bakabeyond. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented.	false	false	false
Baka performers at Molembehngoy	The Baka Booma Dance	https://www.youtube.com/embed/ljDbO-WlZLg	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher identifies a Booma dance performance at Molembehngoy in February2018; differs from its separate rhythm instruction video. Video publication: 2019-10-17; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	2018-02	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher identifies a Booma dance performance at Molembehngoy in February2018; differs from its separate rhythm instruction video.	false	false	false
Ndima	Le groupe Ndima, Pygmées Aka (Congo), chant Mobila	https://www.youtube.com/embed/I9saGIbDRR8	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Couleurs de Voix credits Ndima performing Mobila at Le Trait d'Union, Mons-en-Baroeul,30 April2019. Video publication: 2019-06-24; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	2019-04-30	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Couleurs de Voix credits Ndima performing Mobila at Le Trait d'Union, Mons-en-Baroeul,30 April2019.	false	false	false
Ndima	Ndima band, Aka Pygmies (Congo) music, song Diyengue	https://www.youtube.com/embed/ZNLqQNk4N9g	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Couleurs de Voix credits the distinct song Diyengue from the same30 April2019 Ndima concert. Video publication: 2019-06-24; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	2019-04-30	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Couleurs de Voix credits the distinct song Diyengue from the same30 April2019 Ndima concert.	false	false	false
Orchestre Baka Gbiné	Baka Gbiné at UNHCR refugee camp	https://www.youtube.com/embed/apDeh9wg9N8	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher names Celeboum, filmed15 December2018 at Yokadouma refugee camp. Modern Baka Gbiné ensemble adaptation, not a claim of pure a cappella polyphony. Video publication: 2019-04-24; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	2018-12-15	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher names Celeboum, filmed15 December2018 at Yokadouma refugee camp. Modern Baka Gbiné ensemble adaptation, not a claim of pure a cappella polyphony.	false	false	false
Orchestre Baka Gbiné	Orchéstre Baka Gbiné live at UNHCR refugee camp	https://www.youtube.com/embed/-tTfA910DnI	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher explicitly identifies another song from the Yokadouma refugee-camp concert; distinct from the named Celeboum item. Modern Baka ensemble adaptation is labelled. Video publication: 2019-04-10; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	unknown	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher explicitly identifies another song from the Yokadouma refugee-camp concert; distinct from the named Celeboum item. Modern Baka ensemble adaptation is labelled.	false	false	false
Baka women singers	Rainforest music - Baka women sing and dance in the round	https://www.youtube.com/embed/A9zO3ug6OuQ	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: bakabeyond. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented. Video publication: 2018-03-08; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	unknown	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: bakabeyond. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented.	false	false	false
Ndima	Ndima Polyphone Gesänge des Regenwaldes	https://www.youtube.com/embed/iCF8zom1500	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: Klangkosmos NRW. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented. Video publication: 2014-07-10; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	unknown	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: Klangkosmos NRW. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented.	false	false	false
Ndima	Ndima - an Aka pygmy group from Congo Brazzaville - Geneva concert	https://www.youtube.com/embed/CmeEdBecwqw	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: plateaulibre. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented. Video publication: 2013-07-15; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	unknown	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: plateaulibre. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented.	false	false	false
Orchestre Baka Gbiné women singers	Traditional Baka women's dance, East region, Cameroon	https://www.youtube.com/embed/C0kmc_XorRk	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: bakabeyond. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented. Video publication: 2012-10-26; original-release and performance dates are separate. Advancing embedded playback checked 19 October 2026.	traditional	unknown	unknown	live	unknown	unknown	supported	Recording/context source	Specific Aka or Baka vocal-tradition performance; the community and setting are distinguished in the credit and notes. Concert/collaborative adaptations are not treated as identical to unaccompanied forest-community practice. Publisher: bakabeyond. The specific work, local-language title and performance context are retained; original/session dates remain unknown unless explicitly documented.	false	false	false

Related genres

The grouping relates to other Central African forest-community traditions, yet each requires its own name, geography and social account. Polyphony is a broad description of simultaneous musical lines, not evidence that Aka, Georgian and European choral traditions have the same organization. Yodeling similarly names a technique that can serve very different purposes. Following how parts, participation and occasions interact is more illuminating than collecting exotic vocal effects. Future more specific articles can separate the present browsing category without erasing its useful comparative introduction.

Hotspot mushrooms

The inclusive catalogue layer contains distinct Aka and Baka musical systems. The revised fields concentrate on the southwestern CAR/northern Congo and southeastern Cameroon/adjacent forest community landscapes; their overlap is not an assertion of one continuous generic Congo Basin repertoire.

The fields express editorial judgments about relative musical affinity and reach, not measured audience shares. Radius is the zero edge of a linear fade; same-genre overlaps combine by maximum.

MuGlobe hotspot mushrooms

ID	Location	Latitude	Longitude	Radius (km)	Strength	Notes
aka-baka-polyphony-aka-forest	Aka-linked southwestern Central African forest landscape	2.5	17.0	440	0.78	The inclusive catalogue layer contains distinct Aka and Baka musical systems. The revised fields concentrate on the southwestern CAR/northern Congo and southeastern Cameroon/adjacent forest community landscapes; their overlap is not an assertion of one continuous generic Congo Basin repertoire.
aka-baka-polyphony-baka-forest	Baka-linked Cameroon–Congo forest landscape	2.3	14.5	430	0.75	The inclusive catalogue layer contains distinct Aka and Baka musical systems. The revised fields concentrate on the southwestern CAR/northern Congo and southeastern Cameroon/adjacent forest community landscapes; their overlap is not an assertion of one continuous generic Congo Basin repertoire.