| Artist | Recording | Format | Year | Title | Subtitle | Artists | Region |
| Obradović, M. | RTB Ciga |  |
LP | 1972 | Sixteen Yugoslavian Dances | Created by Ciga I Ivon Despotović | | Yugoslavia |
| Obrenić, Danica | Le Chant du Monde LDX 74384 |  |
LP | | Chants et Danses de Yougoslavie | Songs and Dances of Yugoslavia | | Yugoslavia |
| Jugoton LSY 6597/8 |  |
LP | 1989 | Janika | | Janika Balaž | Serbia |
| Jugoton LSY 61955 |  |
LP | 1984 | Najlepsi starogradski biseri | | Orkestar Romanska | Serbia |
| Jugoslavija JU-3033-5 |  |
LP | 1967 | Od Bohinja Do Ohrida | From [Lake] Bohinj (Slovenia) to [Lake] Ohrid (Macedonia) | | Yugoslavia |
| RTB LP-I-108 |  |
10 | | Pesme i Igre Narodna Jugoslavije | Srbije, Dalmacije, Makedonije, Vojvodine, Slovenije i Hrvatske | | Yugoslavia |
| Jugoton LPYV S 831 |  |
LP | 1970 | Pesmom i igrom kroz Srbiju | Serbia folk songs and dances | Orkestar RT Beograd Grupa narodna pevaća »Šumadija« | Serbia |
| RTB EP 11700 |  |
7-45 | 1962 | Stare Gradske Pesme | | | Bosnia |
| RTB LP-I-101 |  |
10 | c1955 | Yugoslav Songs and Dances | National Songs and Dances from Serbia, Bosnia, Kosmet and Vojvodina | | Yugoslavia |
| Monitor MF 312 |  |
LP | 1959 | Yugoslavia | Folk Songs and Dances of Yugoslavia | | Yugoslavia |
| Obrenović, Danica | RTB LP 08 |  |
10 | | Muzički Pejsaži Jugoslavije | Pomoravlje | | Yugoslavia |
| Odetta | Vanguard RL 7624 |  |
LP | 1962 | Folk Song and Minstrelsy | | | Folk |
| Ognenovski, Tale | Jugoton ULS 578 |  |
LP | 1979 | 35 години на РТВ Скопје - Народна музика | 35 Years of Radio (RTV) Skopje - Folk Music | | Macedonia |
| Jugoton EPY 34489 |  |
7-45 | | Ansambl Čalgija | | Ansambl Čalgija Tale Ognenovski | Macedonia |
| Jugoton LPY V 780 |  |
LP | 1969 | Bitola, Babam Bitola | Makedonski Narodne Pjesme i Kola / Macedonian Folk Songs and Dances | | Macedonia |
| Folkraft LP 26 |  |
LP | | Bulgarian Folk Dances | | | Bulgaria |
| Jugoton LPY 50985 |  |
LP | 1972 | Makedonska Narodna Ora | Macedonian Folk Dances (Reels) | Pece Atanasovski | Macedonia |
| RTB LP 1439 |  |
LP | 1977 | Македонски Играорни Ора Свири Тале Огненовски | Makedonski Igraorni Ora Sviri Tale Ognenovski | Tale Ognenovski | Macedonia |
| RTB EP 14716 |  |
7-45 | 1970 | Narodni Ora | Tale Ognenovski So Čalgiite | Tale Ognenovski | Macedonia |
| Jugoton LPYV S 806 |  |
LP | 1969 | Plesovi Naroda Jugoslavije | | | Yugoslavia |
| Atanas Kolarovski AK-111 |  |
7-33 | c1984 | Songs and Dances of Yugoslavia | | | Macedonia |
| RTB LP 1495 |  |
LP | 1979 | Старо Кукушко Оро / Staro Kukuško Oro | Македонски Народни Ора Со Чалгийте На Тале Огненовски / Makedonski Narodni Ora So Čalgiite Na Tale Ognenovski | Tale Ognenovski | Macedonia |
| Jugoton LPY 61143 |  |
LP | 1974 | Tale Ognenovski Klarinet | svira ora | Tale Ognenovski | Macedonia |
| Atanas Kolarovski AK-012 |  |
LP | | Traditional Songs and Dances of Macedonia | Kolarovski Vol 12 | | Macedonia |
| Tomov LP-M-GT-103 |  |
LP | | Yugoslavia Dance ... Song (Volume II) | | | Yugoslavia |
| Ognjanović, Zlata | RTB LP-I-108 |  |
10 | | Pesme i Igre Narodna Jugoslavije | Srbije, Dalmacije, Makedonije, Vojvodine, Slovenije i Hrvatske | | Yugoslavia |
| Ohridskite Trubaduri | RTB LP 1456 |  |
LP | 1978 | Македонски Борбени и Народни Песни - Свират Охридските Трубадури | Makedonski Borbeni I Narodni Pesni - Svirat Ohridskite Trubaduri | Ohridskite Trubaduri Stojan Zlatanovski | Macedonia |
| RTB LP 1542 |  |
LP | 1980 | Македонски Народни Песни Со Охридските Тръбадури | Makedonski Narodni Pesni so Ohridskite Trubaduri | Охридските Тръбадури Ohridskite Trubaduri | Macedonia |
| Fiesta FLP 1340 |  |
LP | | Music from the Balkans | Macedonian Folk Songs and Dances | Ohridskite Trubadori Klime Studio and Orchestra | Macedonia |
| RTB LP-I / A02 |  |
10 | | Muzicki Pejasaži Jugoslavije | Vojvodina | | Serbia |
| Oistrakh, David | DGG 138 714 |  |
LP | c1962 | David und Igor Oistrach | Bach - Beethoven - Vivaldi | David Oistrach Igor Oistrach Royal Philharmonic Orchestra | Classical |
| Decca DXB 141 |  |
LP | 1956 | Oistrakh Omnibus | Brahms - Tchaikovski - Mozart Concerti | David Oistrakh Saxon State Orchestra (Dresden) | Classical |
| Oistrakh, Igor | DGG 138 714 |  |
LP | c1962 | David und Igor Oistrach | Bach - Beethoven - Vivaldi | David Oistrach Igor Oistrach Royal Philharmonic Orchestra | Classical |
| Oktet Krnjevac | RTB 2113279 |  |
LP | 1984 | Kola | Ansambl Miodraga Krnjevca sa solistima | Miodrag Krnjevac | Serbia |
| Oktet Makedonija | RTB LP 1452 |  |
LP | 1977 | Македонски Народни Песни Со Октетот Македонија | Makedonski Narodni Pesni so Oktetot Makedonija | Октетот Македонија Ѓорѓи Димчевски Oktet Makedonija Gorgi Dimčevski | Macedonia |
| RTB LP 1824 |  |
LP | | S Pеsmom i Igrom kroz Jugoslaviju 4 | | | Yugoslavia |
| Olar, Stefan | Rounder 11661-1759-2 |  |
CD | 2001 | World Library of Folk and Primitive Music Vol XVII: Romania | | | Romania |
| Old rituals group | Balkanton BHA 1300-504-506 |  |
LP | | Български Музикален Фолклор | Bulgarian Musical Folklore | | Bulgaria |
| Olubios, Georgakes | Sullogos Blachon 1 |  |
Tape | | Συλλογος Βλαχων Ν. Σερρων | Sillogos Blachon N. Serron | Γεωργακης Ολυμπιος Georgakes Olympios | Greece |
| Sullogos Blachon 2 |  |
Tape | | Συλλογος Βλαχων Ν. Σερρων - Γεωργακης Ολυμπιος - Νο 1 Διμοτικα Τραγουδια | Sillogos Blachon N. Serron - Georgakis Olympios - No 1 Dimotika Tragoidia | Γεωργακης Ολυμπιος Georgakes Olympios | Greece |
| Olympios, Georgakes | Sullogos Blachon 1 |  |
Tape | | Συλλογος Βλαχων Ν. Σερρων | Sillogos Blachon N. Serron | Γεωργακης Ολυμπιος Georgakes Olympios | Greece |
| Sullogos Blachon 2 |  |
Tape | | Συλλογος Βλαχων Ν. Σερρων - Γεωργακης Ολυμπιος - Νο 1 Διμοτικα Τραγουδια | Sillogos Blachon N. Serron - Georgakis Olympios - No 1 Dimotika Tragoidia | Γεωργακης Ολυμπιος Georgakes Olympios | Greece |
| Omar Faruk , Tekbilek, | Traditional Crossroads TC CD 42272 |  |
CD | 1995 | Gypsy Fire | The Most Exciting Belly Dance Music of the Century! | Richard Hagopian Omar Tekbilek Yuri Yunakav | Turkey |
| RGNET 1159 CD |  |
CD | | The Rough Guide to the Music of Balkan Gypsies | | | Balkan |
| Oneščuk, Mihajlo-Miša | Jugoton LSY 6597/8 |  |
LP | 1989 | Janika | | Janika Balaž | Serbia |
| Oprea, Ion | Request SRLP 8113 |  |
LP | c1965 | Cantaţi Romaneste - Dansaţi Romaneste | Sing Roumania - Dance Roumania | Soloists and Orchestra of the House of Culture of Bucharest | Romania |
| Electrecord EPD-1033 |  |
10 | | Musică Populară Românească | Interpretată de Orchestrele 'Ciocîrlia' si Radioteleviziunii | Ciocirlia Ensemble | Romania |
| Bruno HI-FI Records BR 50049 |  |
LP | 1958 | Roumania and their Gypsies Volume 2 | | | Romania |
| Monitor MFS 304 |  |
LP | 1961 | Rumanian Folk Songs and Dances | | Ciocîrlia Ensemble | Romania |
| Oprea, Paraschiv Orchestra | Noroc 1 |  |
LP | | Hai la Joc! | Romanian Folk Dances | | Romania |
| Oranim Zabar Israeli Troupe | Elektra-SMP-5 |  |
LP | 1959 | Folk Sampler Five | | | Folk |
| Orao Farkash Tamburitza Band | Mustache Records NR10211 |  |
LP | | The Tamburas of Orao | | Orao Farkash Tamburitza Band | Croatia |
| Orce Nikolov | Polymax DT-1002 |  |
LP | 1963 | Macedonian Songs & Dances, Elsie Dunin & Chris Tasulis Present | An original recording of Folk Ensemble Orce Nikolov from Skopje, Yugoslavia | Orce Nikolov | Macedonia |
| Jugoton LPY 61030 |  |
LP | 1974 | Malkite Mome, Delba Delile | | Orce Nikolov | Macedonia |
| Orchestra ANPBRT | Balkanton BHA 1033 |  |
LP | | Български Народни Песни и Хора | Bulgarski Narodni Pesni i Hora | | Bulgaria |
| Balkanton BHA 10135 |  |
LP | 1978 | Lilyana Galevska - Songs of Trun Region / Yovcho Kakaivanov - Thracian Folksongs | | Lilyana Galevska Yovcho Karaivanov | Bulgaria |
| Orchestra de muzică populara RTV Novi Sad | Diskos LPD 883 |  |
LP | 1980 | Solistii si Ansamblurile RTV Novi Sad | Musica Populara Româneasca | Orchestra de muzică populara RTV Novi Sad | Romania |
| Orchestra Doina Banatului | Electrecord STM-EPE 0932 |  |
LP | | Caransebes | | Orchestra "Doina Banatului" Din Caransebeş | Romania |
| Orchestra Florian Economu | Electrecord ST-EPE 0432 |  |
LP | c1963 | Gheorghe Zamfir | Pan-Pipe - Flûte de Pan | Gheorghe Zamfir Orchestra Florian Economu | Romania |
| Orchestra Gaitani | Jaap JL 1988.02 |  |
LP | 1988 | Folk Dances from Bulgaria - Vol 4 | Learned and collected in Bulgaria by Jaap Leegwater | | Bulgaria |
| Orchestra George Vancu | Electrecord STM-EPE 0933 |  |
LP | | Constantin Ghergina | A Virtuoso of the Trumpet | Constantin Gherghina Orchestra George Vancu | Romania |
| Electrecord ST-EPE 0891 |  |
LP | | Maramureș II | | Orchestra George Vancu | Romania |
| Orchestra Giorge - Ouroume | Graziosi Edessa |  |
CD | | Μακεδονικοί χοροί και τραγούδια - απο την Εδεσσα και την Αλμωπία | Makedonikoi choroi kai tragondia - apo ten Edessa kai ten Almopia | Orchestra Nuse - Giannake Orchestra Giorge - Ouroume | Greece |
| Orchestra Horo | Balkanton BHA 11134 |  |
LP | | Folk Dances from Bulgaria - Vol 2 | Learned and Collected in Bulgaria by Jaap Leegwater | | Bulgaria |
| Orchestra Ion Albesteanu | Electrecord ST-EPE 01736 |  |
LP | | Jocuri Populare Româneşti 5 | Jocuri din Braşov | Orchestra Ion Albesteanu | Romania |
| Orchestra Jantra | Jaap JL 1988.02 |  |
LP | 1988 | Folk Dances from Bulgaria - Vol 4 | Learned and collected in Bulgaria by Jaap Leegwater | | Bulgaria |
| Orchestra Lautaru Barbu | ARTIA ALP 105 |  |
LP | 1958 | Roumanian Folk Songs and Dances | Volume No. 1 | Lautaru Barbu | Romania |
| ARTIA ALP 106 |  |
LP | 1958 | Roumanian Folk Songs and Dances | Volume No. 2 | Orchestra Lautaru Barbu | Romania |
| Orchestra Najden Kirov | Jaap JL 1988.02 |  |
LP | 1988 | Folk Dances from Bulgaria - Vol 4 | Learned and collected in Bulgaria by Jaap Leegwater | | Bulgaria |
| Orchestra Nuse - Giannake | Graziosi Edessa |  |
CD | | Μακεδονικοί χοροί και τραγούδια - απο την Εδεσσα και την Αλμωπία | Makedonikoi choroi kai tragondia - apo ten Edessa kai ten Almopia | Orchestra Nuse - Giannake Orchestra Giorge - Ouroume | Greece |
| Orchestra Nuse - Giannake / Orchestra Giorge - Ouroume | Graziosi Edessa |  |
CD | | Μακεδονικοί χοροί και τραγούδια - απο την Εδεσσα και την Αλμωπία | Makedonikoi choroi kai tragondia - apo ten Edessa kai ten Almopia | Orchestra Nuse - Giannake Orchestra Giorge - Ouroume | Greece |
| Orchestra of Folk Instruments at Radio Sofia | RICE 001 |  |
CD | | May it Fill Your Soul | Experiencing Bulgarian Music | Kostadin Varimezov | Bulgaria |
| Orchestra of Radio Sarajevo | Monitor MFS 412 |  |
LP | | Music of Yugoslavia - Bosnia | | Orchestra of Radio Sarajevo | Bosnia |
| Orchestra of the Shemiram Assyrian Folklore Group of Theran | Folkraft LP 4 |  |
LP | 1962 | Assyrian Folk Dances | | Orchestra of the Shemiram Assyrian Folklore Group of Theran Iran | Assyria |
| Orchestra Paraschiv Oprea | Electrecord STM-EPE 01056 |  |
LP | | Recoutre avec la Roumanie - Muntenie | | Orchestra Paraschiv Oprea | Romania |
| Orchestra Radu Simion | Electrecord ST-EPE 02154 |  |
LP | | Geza Novac | A Virtuoso of the Trumpet | Geza Novac Orchestra Radu Simion | Romania |
| Orchestra Ștefan Bibescu | Electrecord 45-ST-EPC 10.684 |  |
7-45 | | Victor Gore | Accordion | Victor Gore Orchestra Ștefan Bibescu | Romania |
| Orchestra Ticha | Jaap JL 1988.02 |  |
LP | 1988 | Folk Dances from Bulgaria - Vol 4 | Learned and collected in Bulgaria by Jaap Leegwater | | Bulgaria |
| Orchestra, ANPBRT | Balkanton BHA 10891 |  |
LP | 1981 | Хора и Ръченици - Изпълняват Майстори на Народни Инструменти | Horos and Ruchenitsas - Master Performances on Folk Instruments | | Bulgaria |
| Orchestre Populaire de Radio-Belgrade | POP 12-22 |  |
LP | | Chants et Danses de Yugoslavie | | Orchestre Populaire de Radio-Belgrade | Yugoslavia |
| Orehov, Muna | Jugoton LSY 63089 |  |
Tape | 1979 | Z' Cvetnjaka Horvatske Međimurske Popijevke | Folksongs from Međimurje | | Croatia |
| Original Balkan Jam | Fedora FAD001 |  |
LP | 1984 | Just off the Boat | | The Original Balkan Jam | Balkan |
| Ork Janike Balaža | RTB LP 1830 |  |
LP | | S Pеsmom i Igrom kroz Jugoslaviju 10 | | | Yugoslavia |
| RTB 1323 |  |
LP | 1978 | Zvonko Bogdan peva za vas | | Zvonko Bogdan Orkestar Janike Balaža | Serbia |
| Ork Milovana Babića | RTB LP 1829 |  |
LP | | S Pеsmom i Igrom kroz Jugoslaviju 9 | | | Yugoslavia |
| Ork na Iv. Shibilev | Balkanton BHA 348 |  |
10 | | Весели Народни Песни и Хора | Veseli Narodni Pesni i Hora | | Bulgaria |
| Ork. Boris Karlov | JSP Records JSP77134 |  |
CD | 2010 | Outsinging the Nightingale: Lost Treasures of Bulgarian Music 1905-1950 | The Sound of the Balkans Remastered from Original 78s | | Bulgaria |
| Ork. Kavaldzhiev | JSP Records JSP77134 |  |
CD | 2010 | Outsinging the Nightingale: Lost Treasures of Bulgarian Music 1905-1950 | The Sound of the Balkans Remastered from Original 78s | | Bulgaria |
| Ork. Kostika | JSP Records JSP77134 |  |
CD | 2010 | Outsinging the Nightingale: Lost Treasures of Bulgarian Music 1905-1950 | The Sound of the Balkans Remastered from Original 78s | | Bulgaria |
| Ork. Peyu Budakoy | JSP Records JSP77134 |  |
CD | 2010 | Outsinging the Nightingale: Lost Treasures of Bulgarian Music 1905-1950 | The Sound of the Balkans Remastered from Original 78s | | Bulgaria |
| Ork. Radi Angelov | JSP Records JSP77134 |  |
CD | 2010 | Outsinging the Nightingale: Lost Treasures of Bulgarian Music 1905-1950 | The Sound of the Balkans Remastered from Original 78s | | Bulgaria |
| Ork. Radio Sofia | JSP Records JSP77134 |  |
CD | 2010 | Outsinging the Nightingale: Lost Treasures of Bulgarian Music 1905-1950 | The Sound of the Balkans Remastered from Original 78s | | Bulgaria |
| Ork. Rake Kostića | RTB LP 1824 |  |
LP | | S Pеsmom i Igrom kroz Jugoslaviju 4 | | | Yugoslavia |
| Ork. Ramadan Lolov | JSP Records JSP77134 |  |
CD | 2010 | Outsinging the Nightingale: Lost Treasures of Bulgarian Music 1905-1950 | The Sound of the Balkans Remastered from Original 78s | | Bulgaria |
| Orkest Brandon | Nevofoon 15025 |  |
LP | | Български Народни Танци | Bulgarian Folk Dances | Orkest Brandon Jaap Leegwater | Bulgaria |
| Jaap JL 1985.01 |  |
LP | 1985 | Folk Dances from Bulgaria - Vol 3 | Learned and collected in Bulgaria by Jaap Leegwater | | Bulgaria |
| Orkest Gerdan | Hakketoon 1981.17 |  |
LP | 1981 | Gerdan Joegoslavie | dansen uit Servie en Macedonie | Orkest Gerdan | Yugoslavia |
| Orkestar Aguševi | Mr Company MC 1997 |  |
Tape | | Струмички са-са - Прва и Втора труба со Блеx оркестар Агушеви | Strumički sa-sa - Prva i Vtora truba so Blex orkestar Aguševi | Orkestar Aguševi | Macedonia |
| Orkestar Bakije Bakića | SUZY KS 4-357 |  |
Tape | | Zaigrajmo | Od Niša Do Vranja | Bakija Bakić Mustafa lsmailović Mirka Petrović | Serbia |
| Orkestar Đorđa Karaklajića | RTB LPV 171 |  |
LP | 1963 | Pesme i Igre Naroda Jugoslavije | Songs and Dances of the Jugoslav Peoples | | Yugoslavia |
| Orkestar Dragana Aleksandrića | Jugoton LPYV S 60941 |  |
LP | | Narodna Kola | | Orkestar Dragana Aleksandrića | Serbia |
| Orkestar Ekrema Mamutovića | Diskoton DT LP 8069 |  |
LP | 1983 | Orkestar Ekrema Mamutovića | Orkestar Ekrema Mamutovića koli njeguje tradicju orkestra Bakije Bakića | | Serbia |
| Orkestar Galevski-Nančevski | RTB LPV 1284 |  |
LP | 1974 | Aleksandar Sarievski | | Aleksandar Sarievski | Macedonia |
| RTB EP 12785 |  |
7-45 | 1963 | Duet Sarieveski-Gieva | | Aleksandar Sarievski Anka Gieva Orkestar Galevski-Nančevski | Macedonia |
| RTB LPV 1274 |  |
LP | 1974 | Ilieva - Sarievski | | Vaska Ilieva Aleksandar Sarievski | Macedonia |
| RTB EP 14701 |  |
7-45 | c1971 | Makedonska ora | | Pece Atanasovski Ivan Terziev Orkestar Galevski-Nančevski | Macedonia |
| RTB LPV 171 |  |
LP | 1963 | Pesme i Igre Naroda Jugoslavije | Songs and Dances of the Jugoslav Peoples | | Yugoslavia |
| Orkestar Horo | Balkanton 060229 |  |
CD | 2002 | Сватбарска Веселие | Svatbarska Veselie | | Bulgaria |
| Orkestar Horo-Ruse | Balkanton BHA 1578 |  |
LP | | Народна Музика - Български Народни Хора и Ръченици | Narodna Muzika - Bulgarski Narodni Hora I Rachenitsi | | Bulgaria |
| Orkestar László Halásza | Hungaroton SLPX 18036 |  |
LP | | Igraj Kolo - Southern-Slav Folk Music from Hungary | Járd o Kolót - Magyarországi Délszláv Népzene | | Hungary |
| Orkestar Marka Radića | Hungaroton SLPX 18036 |  |
LP | | Igraj Kolo - Southern-Slav Folk Music from Hungary | Járd o Kolót - Magyarországi Délszláv Népzene | | Hungary |
| Orkestar Miodraga Jašarevića | RTB NK 10230 |  |
Tape | | Makedonski Narodni Pesni | Majko Mila Moya Makedonijo | | Macedonia |
| Orkestar Mirka Petrovića | SUZY KS 4-357 |  |
Tape | | Zaigrajmo | Od Niša Do Vranja | Bakija Bakić Mustafa lsmailović Mirka Petrović | Serbia |
| Orkestar Mustafe Ismailovića | SUZY KS 4-357 |  |
Tape | | Zaigrajmo | Od Niša Do Vranja | Bakija Bakić Mustafa lsmailović Mirka Petrović | Serbia |
| Orkestar Na Dragi Mitev | RTB NK 10230 |  |
Tape | | Makedonski Narodni Pesni | Majko Mila Moya Makedonijo | | Macedonia |
| Orkestar Rodopi | KolevEraFolk MariaKoleva-2005 |  |
CD | 2005 | Ot Izvora | Bulgarian traditional singing from Thrace | Maria Koleva | Bulgaria |
| Orkestar Romalen | Network NET 33.858 |  |
CD | 1999 | Balkan Blues: Souffles de L'Âme | The Other Side of the Balkans | | Balkan |
| Orkestar Romanska | Jugoton LSY 61955 |  |
LP | 1984 | Najlepsi starogradski biseri | | Orkestar Romanska | Serbia |
| Jugoton LSY 61433 |  |
LP | 1978 | Солунске Песме | Solunske Pesme | | Serbia |
| Orkestar RT Beograd | Jugoton LPYV S 831 |  |
LP | 1970 | Pesmom i igrom kroz Srbiju | Serbia folk songs and dances | Orkestar RT Beograd Grupa narodna pevaća »Šumadija« | Serbia |
| Orkestar RTW | Radost CD-01 |  |
CD | 2001 | Heirloom - 25 Years | | The Radost Folk Ensemble | Balkan |
| Orkestar Sestara Janković | Jugoton LSY 61185 |  |
LP | 1975 | Narodna Kola | Svira Orkestar Sestara Janković “Đerdan” | Orkestar Sestara Janković Đerdan | Serbia |
| Orkestar Šlivovica | OS-2012 |  |
CD | 2012 | Živeli! | | Orkestar Šlivovica | Balkan |
| Orkestar Stipana Krekića | Hungaroton SLPX 18036 |  |
LP | | Igraj Kolo - Southern-Slav Folk Music from Hungary | Járd o Kolót - Magyarországi Délszláv Népzene | | Hungary |
| Orkestar Vizin | Orkestar Vizin |  |
Tape | | Orkestar Vizin | Panonska zona | Orkestar Vizin | Croatia |
| Orkestar Žarka Milanovića | RTB LP 1120 |  |
10 | | Kola | Narodni Orkestar Žarka Milanovića | Orkestar Žarka Milanovića | Serbia |
| RTB LP 08 |  |
10 | | Muzički Pejsaži Jugoslavije | Pomoravlje | | Yugoslavia |
| Orkestar Zirkonium | OZ-2008 |  |
CD | | Orkestar Zirkonium | | Orkestar Zirkonium | Balkan |
| OZ-2012 |  |
CD | 2012 | Too Hot for Sleep | | Orkestar Zirkonum | Balkan |
| Orkestarot Čalgii na RTS | RTB LP 029 |  |
10 | | Makedonija | | Tanec | Macedonia |
| RTB LPV 176 |  |
LP | 1967 | Pesme I Igre Narodna Jugoslavije | Stare gradske pesme | | Yugoslavia |
| Jugoton LPY 61049 |  |
LP | | Skopje, Skopje | Makedonske narodne pjesme i ora | | Macedonia |
| RTB LP 1301 |  |
LP | | TANEC LP 1301 | | TANEC | Macedonia |
| RTB LPV 1211 |  |
LP | 1977 | TANEC LPV 1211 | | TANEC | Macedonia |
| PTC YK 0115 |  |
Tape | | Женска Вокална Група »Костурчанки« | Ženska Vokalna Grupa »Kostourčanki« | Женска Вокална Група Костурчанки | Macedonia |
| PTC YK 0117 |  |
Tape | | Женска Вокална Група »Воденки« | Ženska Vokalna Grupa »Vodenki« | Женска Вокална Група Воденки | Macedonia |
| Orkestarot od naroden instrumenti na RTS | PTC YK 0116 |  |
Tape | | Женска Вокална Група »Бапчорки« | Ženska Vokalna Grupa »Bapčorki« | Женска Вокална Група Бапчорки | Macedonia |
| PTC YK 0114 |  |
Tape | | Женска Вокална Група »Мегленки« | Zenska Vokalna Grupa »Meglenki« | Женска Вокална Група Мегленки | Macedonia |
| Orkestra Ivana Matorica | Hungaroton SLPX 18036 |  |
LP | | Igraj Kolo - Southern-Slav Folk Music from Hungary | Járd o Kolót - Magyarországi Délszláv Népzene | | Hungary |
| Orkestra Prelaz | Jaap JL 1985.01 |  |
LP | 1985 | Folk Dances from Bulgaria - Vol 3 | Learned and collected in Bulgaria by Jaap Leegwater | | Bulgaria |
| Orkestra Ranja | Jaap JL 1985.01 |  |
LP | 1985 | Folk Dances from Bulgaria - Vol 3 | Learned and collected in Bulgaria by Jaap Leegwater | | Bulgaria |
| Orkestre Ladistava Korpiča | Hungaroton SLPX 18036 |  |
LP | | Igraj Kolo - Southern-Slav Folk Music from Hungary | Járd o Kolót - Magyarországi Délszláv Népzene | | Hungary |
| Orkestur Orfej | Payner 99021-49 |  |
Tape | 1999 | Оркестър Орфей - Р-Л Георги Янев | Orkestur Orfey - R-L Georgi Yanev | Оркестър Орфей Георги Янев Orkestur Orfey R-L Georgi Yanev | Bulgaria |
| Orkestur Sandanska Lira | APA CD 121 |  |
CD | 2003 | Илинден 1903 | Ilinden 1903 | Володя Стоянов Volodya Stoyanov Orkestur Sandanska Lira | Bulgaria |
| Orkestur Sredets | PI 001 |  |
CD | 1996 | New Renaissance in Bulgarian Folk Music | | Orkestur Philippopolis | Bulgaria |
| Orkić, Ana | Jugoton LP 1040-1041 |  |
LP | | Lado - Cossetto / Sjeverne Hrvatske | | LADO | Croatia |
| Orkiestra Majkuta | Morning Star 45007 |  |
LP | | From the Tatra Mountains | Classic Polish-American Recordings from the 1920's | | Poland |
| Orkiestra Stasiaka | Morning Star 45007 |  |
LP | | From the Tatra Mountains | Classic Polish-American Recordings from the 1920's | | Poland |
| Orlin Pamukov | IHB 12 |  |
CD | 2008 | ОГЪН - FIRE | Bulgarian Folk Dances and Songs Produced and Presented by lIiana Bozhanova and Todor Yankov | | Bulgaria |
| Ošak | Jugoton LSY 62034 |  |
LP | 1984 | 19. Festival Dalmatinskih Klapa Omiš | | | Croatia |
| Osmanćević, Rejhana | Jugoton LPY V 850 |  |
LP | 1970 | Pokraj Grada Sarajeva | Bosonske Narodne Pjesme i Kola | | Bosnia |
| Osojkić, Izudin | Smithsonian Folkways SF 40407 |  |
CD | 1993 | Bosnia - Echos from and Endangered World | Music and Chant of the Bosnian Muslims | | Bosnia |
| Ostojić, Lazar | Topic 12TS 224 |  |
LP | 1973 | Folk Music of Yugoslavia | Collected and Edited by Wolf Dietrich | | Yugoslavia |
| Otrov | Otrov |  |
CD | | Baština Hrvatskov Sela | | Otrov | Croatia |
| Özyakupoğlu, Ferhat | Nonesuch H-72067 |  |
LP | 1975 | Turkey - A Musical Journey | Traditional Songs Dances & Rituals | | Turkey |