- onsoni
- Orquesta del Rey de Puerto Rico
- Ouclass
- OBC MECOS
- O Maromba
- Ochoo
- Operários da Arte
- Orchestre La Fekonya
- O Índico
- onte
- Ojc
- Original Theory
- OneFanki
- Oli Freke
- Omarli
- Omega Axiom
- Overall
- Otis Ridley Scott
- Obeewaun
- Outnumbered
- Osean
- OG Muw feat. yo.wassaapp
- Oded Melchner
- Oleg Koslov
- OmegaVibe
- Omprakash Kumar
- Orquesta La Resistencia
- Omerta GD
- Otis Galloway
- OlszaKumpel
- Oliveira
- O.C Lee
- 欧阳英姿
- Oboy
- Ops Koka
- Oraxito
- Outfade
- o3o3
- Orcival
- o$oTreal
- Onami
- Omair Mirza
- Onetake Madeo
- OJ MARONI
- Ottimo Massimo
- OIBAF
- Orquestra de Violeiros Terra da Uva
- OPS!
- Onebubu
- Oorah
- Organic Despair
- Owura Kay
- Orbitant Plasma
- onehundred626
- Olaplenty ft. 2cold
- Ole Jørn Myklebust
- OMER J MUSIC
- Obakxs
- OER
- Oothiti
- Oob Beatz
- Oddisy
- oppeanut
- Omprakash Deewana
- Old Love Song Players
- Omatic "Got2havit"
- ONE29
- oyana nitik
- Oba Rowland
- Og Kurmit
- OPB!TCHES
- Oscar Hammerstein II
- Officer Roseland
- Odd Beholder
- O'Hara
- O2i3
- Older Morning
- O.TREE
- Orchestra Gabriele e Milva
- ORANG
- Out There Honky Tonkin'
- Orgel Factory plus
- Old Skooly High
- Old Town Trio
- Ottoafter
- Obioha Ogbonna
- Orquesta Sinfónica Nacional de Colombia
- Omaram Bheel
- Orchestra di Roma
- OVER 31044
