| Origene |
| Origin |
| Originais Do Pagode |
| Original Banda el Limón de Salvador Lizárraga |
| Original Broadway Cast |
| Original Broadway Cast of Beetlejuice |
| Original Broadway Cast Of Evita |
| Original Broadway Cast of Hamilton |
| Original Broadway Cast of Matilda |
| Original Broadway Cast Of Mean Girls |
| Original Broadway Cast of Waitress |
| Original Broadway Casts |
| Original Camellia Jazz Band |
| Original Camellia Jazz Band of New Orleans |
| Original Capitol Orchestra |
| Original Cast Of Annie |
| Original Cast of Billy Elliot |
| Original Cast of Sandosenang Sapatos |
| Original Cast Recording |
| Original Cast Recording Evita |
| Original Caste |
| Original Casts |
| Original Concept |
| Original Creole Stompers |
| Original Dixieland Five |
| Original Dixieland Jazz Band |
| Original Drifting Cowboys Band |
| Original Elias |
| Original Ensemble vom "Broadway Musical im Hamburger Hafen" |
| Original Flavor |
| Original (German) Cast of "Starlight Express" |
| Original (German) Cast of "Tanz Der Vampire" |
| Original Indiana Five |
| Original Latin All-Stars |
| Original London Cast |
| Original London Cast of Hair |
| Original London Cast Recording |
| Original London Casts |
| ORIGINAL LOVE |
| Original Marinechor Blaue Jung |
| Original Memphis Five |
| Original Mirrors |
| Original Naabtal Duo |
| Original National Theater Cast |
| Original New Orleans Jazz Band |
| Original New Orleans Ragtime Band |
| Original New York Cast of Lazarus |
| Original Nutmegs |
| Original Off-Broadway Cast |
| Original Orquesta Aragon De Cuba |
| Original Piano Trio |
| Original Pin Stripe Brass Band |
| Original Prague Syncopated Orchestra |
| Original PxMxWx |
| Original Sesame Street TV Series Cast |
| Original Sinners |
| Original Soho Skiffle Group |
| Original Surfaris |
| Original Trinidad Steel Band |
| Original West End Cast of Heathers |
| Original Wolverines |
| Originally Nowhere |
| Originetic |
| Originoo Gunn Clappaz |
| Origins |
| Oriole Terrace Orchestra |
| Orion |
| Orion's Room |
| Orion the Hunter |
| Orionjustmelted |
| Orisa |
| Orishas |
| Oriste Femi |
| Orka Orkestrası |
| Orkan |
| Orkes A Hizadin |
| ORKID |
| Orkidea |
| Orkiestra Symfoniczna Filharmonii Narodowej |
| Orking |
| ORKN |
| Orkun Enver |
| Orkun Işıtmak |
| Orkundk |
| ORLA |
| Orla Gartland |
| Orlando |
| Orlando Brown |
| Orlando Contreras |
| Orlando Dixon |
| Orlando Gibbons |
| Orlando Julius |
| Orlando Liñan |
| Orlando Marconi |
| Orlando Morais |
| Orlando Murden |
| Orlando Philharmonic Orchestra |
| Orlando Pops Orchestra |
| Orlando Silva |
| ORLANN DIVO |
