- O
- OO
- OO
- OOak
- OakObi
- ObiObs
- ObsOce
- OceOct
- OctOdd
- OddOde
- OdeOef
- OehOff
- OffOgd
- OgdOh
- OhOi
- OiOk
- okOku
- OkuOld
- OldOld
- OldOli
- OliOli
- OliOls
- OlsOMB
- OMBOmn
- OmnO
- OnaOne
- OneOne
- OneOng
- OngOno
- OnoOom
- OomOpe
- OpeOpt
- optOra
- OraOrc
- OrcOrd
- OrdOrh
- OrhOri
- OriOrm
- OrmOrq
- OrqOrt
- OrtOsb
- OsbOsi
- OsiOst
- OstOth
- OthOtt
- OttOur
- OurOut
- OutOut
- OutOve
- OveOve
- OveOwe
- OweOxl
- OxlOzm
- OZMOZZ
- Orhan, Mahmut & Şener, Sena
- Orhan, Mahmut feat. Şener, Sena
- Orhan, Sevcan
- Orhon, Cüneyd
- Ori (folktronica singer songwriter Ori Alboher)
- Oriach, Riccie (Tropical artist from the dominican republic)
- Oriain, Charlie
- Oriakhi, Davina
- Orialus
- Oriana (Argentine model, actress and singer)
- Oriana Nash (American singer-songwriter, Oriana Isabel Nash)
- Orianthi
- Óriás
- Oribasi, Lisa (Swiss singer‐songwriter)
- Oribu
- Orielles, The
- Orient Expressions
- Orient Fall (modern progmetal band)
- Orient Pearl
- Oriental Sunshine
- Oriente (Rap group)
- Orig. Alpenland Quintett
- ORIGA (Russian singer active in Japan)
- Origami Angel
- Origami Tsunami (Alternative band from Manchester)
- Origami, Button
- Origamibiro
- Origene
- Origin (Kansas metal band)
- Origin Unknown (UK Drum & Bass producers Andy C & Ant Miles)
- Origin, The
- Originais do Samba, Os
- Original 3
- Original 7ven, The (formerly 'The Time')
- Original Alpenland Quintett
- Original Arzgebirgsche Randfichten
- Original Broadway Cast
- Original Broadway Cast
- Original Broadway Cast
- Original Broadway Cast
- Original Broadway Cast of Girl From the North Country
- Original Broadway Cast of Hamilton
- Original Broadway Cast of The Great Gatsby - A New Musical
- Original Broadway Cast of The Notebook
- Original Cast (this is a real artist. DO NOT USE for musical soundtracks!)
- Original Cast (Original Theatre Cast)
- Original Cast of SpongeBob SquarePants, The New Musical
- Original Cast Recording
- Original Caste, The (folk group)
- Original Charlie Parker Quintet
- Original Concept
- Original Crooks and Nannies, The
- Original de Manzanillo, la
- Original Deutschmacher, Die
- Original Dixieland Jazz Band
- Original Flavor ('90s US rap group)
- Original God
- Original God & LIL NARNIA
- Original Gros Bonnet
- Original Lead Singers of The Temptations, The
- Original London Cast
- Original London Cast of Girl From The north Country
- Original London Cast of Miss Saigon
- Original London Cast of Sister Act
- ORIGINAL LOVE
- Original Mirrors
- Original Motion Picture Soundtrack
- Original Naabtal Duo
- Original Pistols, The
- Original Rap Staff
- Original Rudeboys, The
- Original Sin (UK drum and bass)
- Original Südtiroler Spitzbuam
- Original Swimming Party
- Original Television Cast of Hairspray LIVE!
- Original TV Studio
- Original Uman
- Original Zillertaler (Folk, Pop)
- Original, The (electronic/house group)
- Originale, Die
- Originale, Ragz
- Originale, Ragz feat. 24hoursav & Saleh, Dua
- Originale, Ragz feat. Bakar
- Originale, Ragz feat. Glacier, John
- Originale, Ragz feat. LOLA
- Originale, Ragz feat. Sampha
- Originales de San Juan, Los
- Originals, The (Motown group)
- Originals, The (Brazilian group)
- Originoo Gunn Clappaz
