| Orgi 69 |
| Orgi69 |
| Orgone |
| Orgy |
| Orhan gencebay |
| Orhchestra |
| Ori Dagan |
| Oriana |
| Orianthi |
| ORIENTA |
| Oriental Echo Ensemble |
| Oriente |
| Origa |
| ORIGA |
| Origami Amassado & Winston Churchill Rangel |
| Origen |
| Origene |
| Origin |
| Original (German) Cast of "Tanz Der Vampire" |
| Original Banda el Limón de Salvador Lizárraga |
| Original Broadway Cast |
| Original Broadway Cast Of Evita |
| Original Broadway Cast of Matilda |
| Original Broadway Cast of Waitress |
| Original Camellia Jazz Band |
| Original Camellia Jazz Band of New Orleans |
| Original Cast of Billy Elliot |
| Original Caste |
| Original Casts |
| Original Concept |
| Original Creole Stompers |
| Original Dixieland Jazz Band |
| Original Drifting Cowboys Band |
| Original Ensemble vom "Broadway Musical im Hamburger Hafen" |
| Original Flavor |
| Original Glenn Miller Singers |
| Original Indiana Five |
| Original J.B.s |
| Original Latin All-Stars |
| Original London Cast |
| Original London Cast of Hair |
| Original London Cast Recording |
| ORIGINAL LOVE |
| Original Marinechor Blaue Jung |
| Original Memphis Five |
| Original Mirrors |
| Original Naabtal Duo |
| Original New Orleans Jazz 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 Pistols |
| Original Prague Syncopated Orchestra |
| Original Sesame Street TV Series Cast |
| Original Sinners |
| Original Studio Cast |
| Original Surfaris |
| Original Television Cast of Jesus Christ Superstar Live In Concert |
| Original Trinidad Steel Band |
| Originals |
| Originoo Gunn Clappaz |
| Orinoko |
| Oriole Terrace Orchestra |
| Orion |
| Orion Orchestra |
| Orion the Hunter |
| Orion's Room |
| Oris Jay |
| Orishas |
| Ork, Henry James |
| Orkiestra Symfoniczna Filharmonii Narodowej |
| Orlando |
| Orlando Brown |
| Orlando Contreras |
| Orlando Dixon |
| Orlando Julius |
| Orlando Marconi |
