Some basic recommendations of indigenous music (most of them are "pre-recording" era, so more of a cultural value, not really high-end quality albums) :
-A Journey to Vietnam
-Ade Olumoko And African Spirit - Yoruba Alpa Music
-Africa - Drum, Chant & Instrumental Music
-Africa Ceremonial & Folk Music
-Africa Djembe Orchestra - Drums of Goree (Orchestre Africa Djembe)
-African Musical Instruments
-African Original Ethno Music
-African Tribal Music And Dances
-American Indian Ceremonial and War Dances
-Arnhem Land Popular Classics
-At the Court of the Mwami
-Australia - Songs Of The Aborigines And Music Of Papua New Guinea
-Baka Forest People - Heart Of The Forest
-Baka Pygmies - Music For the Buma Dance
-Bali - Musiques du Nord-Ouest
-Batimbo - Tambours Du Burundi
-Bayaka - The Extraordinary Music Of The Babenzele Pygmys And Sounds Of Their Forest Home
-Bénin - Rythmes et chants pour les vodun
-Brésil - Enaunené-Naué et Nhambiquara du Mato Grosso
-Budal Lardil - Songs Of Mornington Island
-Buddhist Drums, Bells & Chants [Japan]
-Burkina Faso - Réjouissances chez les Siamou
-Burkina Faso - Rhythms of the Grasslands
-Burundi - Music from the Heart of Africa
-Burundi Musiques Traditionnelles
-Buryat - Rites, Celebrations and Dances Around Lake Baikal
-Bushfire - Traditional Australian Aboriginal Music
-Cambodia - Traditional Music vol. 1 - Instrumental And Vocal Pieces
-Cambodia - Traditional Music vol. 2 - Tribe Music, Folk Music And Popular Dances
-Centrafrique - Musique pour sanza en pays Gbaya
-Central African Republic - Musique Gbaya - Chants a penser
-Chamanes et Possédés
-Chants and Music From Buddhist Temples
-Djembe - Percussions D Afrique
-Drums of Death - African Voodoo Funeral
-Drums of Defiance - Maroon Music from the Earliest Free Black Communities of Jamaica
-Eight Lamas From Drepung - Tibetan Sacred Temple Music
-Ethiopie - Ethiopia
-Ethnic Minority Music of Northeast Cambodia
-Ethnic Minority Music of Southern Laos
-Festivals Of The Himalayas
-Flûtes et rythmes du Cameroun. Musique traditionelle d'Afrique
-Forest Music (Northern Belgian Congo
-Ghana - Music Of The Northern Tribes
-Ghana Ancient Ceremonies Songs
-Guinee - Percussions Et Chants Malinke
-Haiti - Les 101 Nations du Vaudou
-Haiti, Voodoo Drums, Drummers of the Societe Absolument guinin
-Hawaiian Drum Dance Chants - Sounds of Power in Time
-Indian Street Music - The Bauls Of Bengal
-Inuit Chants & Drums from Thule in the Bering Strait
-Inuit Games And Songs
-Kalimba & Kalumbu Songs, Northern Rhodesia
-Kamtchatka - Dance Drums from the Siberian Far East. Korjak people
-Kenya & Tanzania Witchcraft & Ritual Music
-Kolyma - Songs of Nature and Animals. Cukc, Even, and Jukaghir people
-Lama Chopa - A Buddhist Tantric Celebration
-Les Tambours de Brazza - Congo Drums
- Music of Africa series - No.1 - Songs & Instrumental Music of Tanganyika
- Music of Africa series - No.7 - Congo Songs & Dances
- Music of Africa series - No.8 - Music of The Uganda Protectorate
-Madagascar - Pays Antanosy. Sarandra
-Madagascar - Pays Mikea
-Madagascar 2 (Musik des Südens)
-Mali - Musique bambara du Baninko
-Mali. Cérémonies rituelles des Dogon
-Mbuti Pygmies Of The Ituri Rainforest
-Mushroom Ceremony Of Mazatec Indians Of Mexico
-Music from Burundi
-Music From Tanzania And Zanzibar
-Music Healers of Indigenous Cultures
-Music of Oceania - Samoan Songs. A Historical Collection
-Music of Tanzania
-Music of the !Kung Bushmen of the Kalahari Desert
-Music of the Bibayak Pygmies - Epic Cantons
-Musique des peuples minoritaires de Taiwan
-Musique Du Cachemire (Vallees Himalayennes)
-Namibia - Bushmen & Himba
-Namibie - Bushmen Ju'hoansi
-Namibie - Chants des Bushmen Ju'hoansi
-Northern And Central Malawi
-Nyabole. Singing on the Way to the Dancing Ground. Hamar - South Ethiopia
-On The Edge Of The Ituri Forest
-Ouganda - Ensembles villageoises du Busoga
-Papua New Guinea; The Coast of the Western Province
-Peyote - Native American Church
-Pygmees Aka - Chants de Chasse, d'Amour et de Moquerie
-Pygmees Aka - Musiques et chants polyphoniques de la sylve
-Ritual Songs Of The Nomadic Taiga People
-Royal Court Music From Uganda
-Sakhalin - Vocal And Instrumental Music
-Secular Music From Uganda
-Shamanic and Daily Songs of the Amur Basin
-Shamanic And Narrative Songs Of Siberian Arctic
-Sierra Leone - Musiques Traditionelles
-Sioux and Navaho - American Indian Dances
-Songs And Music of Tibet Recorded In Kathmandu
-Songs from the Northern Territory
-Songs From Tibet
-Soungalo Coulibaly - L'art du djembé
-Southern and Central Malawi
-Southern Mozambique (Portuguese East Africa)
-Sri Lanka - Musiques Rituelles Et Religieuses
-Sudan - Music of the Blue Nile Province - The Gumuz Tribe
-Tanzania Instruments
-Tanzania Vocals
-Tanzania Wagogo Songs
-Tanzanie - Musiques rituelles Gogo
-The Australian Aboriginal Music
-The continent of one-thousand drums Vol.1
-The continent of one-thousand drums Vol.2
-The continent of one-thousand drums Vol.3
-The Nguni Sound (South Africa And Swaziland)
-Tibet - Ritual Music and Chants of the Gelug Tradition
-Tibet - Sherab Ling Monks - Sacred Tibetan Chant
-Tibetan Buddhism - Tantras of Gyuto - Mahakala
-Tibetan Buddhism - The Ritual Orchestra and Chants
-Tibetan Buddhist rites from the monasteries of Bhutan
-Tibetan Institute of Performing Arts - Dharma Suna
-Tibetan Monks Chanting Big Om of Tibet
-Tibetan Monks Of Drepung Loseling - Sacred Tibetan Chants From The Great Prayer Festival
-Tibetan Ritual Music
-Topoke People of the Congo
-Traditional Chants & Flute Music Of The American Indian
-Traditional Songs of the Mapuche Indians (Chile)
-Tswana And Sotho Voices (Botswana, South Africa, Lesotho)
-V.A. - Music of the Earth - Astonishing And Rare Instruments
-V.A. - Songs of the Earth - Astonishing And Rare Voices
-VA - Primitive Music Of The World
-Very Best Of Hugh Tracey Recordings
-Vintage Collection - Old Peyote Songs
-Voices of Forgotten Worlds
-Voodoo Drums In Hi-Fi
-Wassa - Rhythms And Songs From Guinea
-WOTJOBALUK - Wotjobaluk Dreaming - didgeridoo school
-Yakutia - Epics And Improvisations
-Ye Lassina Coulibaly - Djembe Burkina
-Zaire - Entre les lacs et la foret. La musique des Nande
-Zaire - Polyphonies Mongo
-Zulu Percussions