| Orquesta Lírica de Barcelona & José María Damunt |
1 Lyric & 1 Album |
| Orquesta Magia Caribeña (Federico Junior) |
1 Lyric & 1 Album |
| Orquesta Mondragón |
13 Lyrics & 6 Albums |
| Orquesta Música Maravillosa |
3 Lyrics & 5 Albums |
| Orquesta Noro Morales |
1 Lyric & 1 Album |
| Orquesta Olympus |
1 Lyric & 1 Album |
| Orquesta Plateria |
7 Lyrics & 7 Albums |
| Orquesta Poncela |
1 Lyric & 1 Album |
| Orquesta S.E.D.M. |
1 Lyric & 1 Album |
| Orquesta Serenata Tropical |
1 Lyric & 1 Album |
| Orquesta Sinfonica de Navarra, Tianwa Yang & Ernest Martínez-Izquierdo |
1 Lyric & 1 Album |
| Orquesta Sinfónica de Radio Hamburgo & Oscar Bustonovich |
1 Lyric & 1 Album |
| Orquesta Sinfónica de Tenerife & Armando Alfonso |
1 Lyric & 1 Album |
| Orquestra La Palabra |
1 Lyric & 1 Album |
| Orquestra Los Hermanos del Caribe |
1 Lyric & 1 Album |
| Orquestra Mocambo |
1 Lyric & 1 Album |
| Orquestra Românticos de Cuba |
2 Lyrics & 2 Albums |
| Orquestra Was |
1 Lyric & 1 Album |
| Orquídea |
1 Lyric & 1 Album |
| Orrall & Wright |
2 Lyrics & 2 Albums |
| Orrin Evans |
17 Lyrics & 2 Albums |
| Orrin Persky |
21 Lyrics & 1 Album |
| Orrin Star |
2 Lyrics & 3 Albums |
| Orrin Tucker |
9 Lyrics & 4 Albums |
| Orrin Tucker & His Orchestra with Wee Bonnie Baker |
1 Lyric & 1 Album |
| Orry Jackson |
2 Lyrics & 1 Album |
| ORSO - The Rock Symphony Orchestra |
18 Lyrics & 1 Album |
| Orson |
383 Lyrics & 98 Albums |
| Orson Scott Card |
1 Lyric & 1 Album |
| Orson Welles |
3 Lyrics & 3 Albums |
| Orson Welles & The Mercury Theatre |
1 Lyric & 1 Album |
| Orson Williams |
1 Lyric & 1 Album |
| Ortega |
6 Lyrics & 2 Albums |
| Orthanc |
2 Lyrics & 1 Album |
| Orthank |
7 Lyrics & 1 Album |
| Orthodox |
20 Lyrics & 5 Albums |
| Orthodox Celts |
61 Lyrics & 11 Albums |
| Orthodox Celts feat. Pachamama |
1 Lyric & 1 Album |
| Orthodox feat. Cooper Pemelton |
2 Lyrics & 1 Album |
| Ortlem2 |
1 Lyric & 1 Album |
| Ortni |
1 Lyric & 1 Album |
| Orton Beth |
11 Lyrics & 1 Album |
| Ortopilot |
94 Lyrics & 33 Albums |
| Ortopilot & Michael Collings |
1 Lyric & 1 Album |
| Ortopilot & Natalie Holmes |
1 Lyric & 1 Album |
| ortoPilot feat. Raven Zoe, ortoPilot & Raven Zoe |
1 Lyric & 1 Album |
| Ortzy feat. Alex Staltari |
2 Lyrics & 1 Album |
| Ortzy feat. Andreas Stone |
2 Lyrics & 1 Album |
| Ortzy feat. Luis López & Sunnie Williams |
2 Lyrics & 2 Albums |
| ORU LIVE |
3 Lyrics & 1 Album |
| ORU Worship |
1 Lyric & 1 Album |
| Oruga |
6 Lyrics & 1 Album |
| Orup |
25 Lyrics & 18 Albums |
| Orvega |
1 Lyric & 1 Album |
| Orxata Sound System |
1 Lyric & 2 Albums |
| Oryan |
1 Lyric & 1 Album |
| Oryon |
1 Lyric & 1 Album |
| Os Almirantes |
1 Lyric & 1 Album |
| Os Cariocas |
13 Lyrics & 33 Albums |
| Os Catalepticos |
6 Lyrics & 4 Albums |
| Os Copa Vips |
1 Lyric & 1 Album |
| Os Digitalistas |
12 Lyrics & 8 Albums |
| Os Digitalistas feat. Xoanna Guilmary |
1 Lyric & 13 Albums |
| Os Digitallistas feat. Deise Costa |
4 Lyrics & 4 Albums |
| Os Hipócritas |
7 Lyrics & 1 Album |
| Os Impostores |
3 Lyrics & 3 Albums |
| Os Incriveis |
8 Lyrics & 5 Albums |
| Os irmãos Catita |
1 Lyric & 1 Album |
| Os Modernistas |
5 Lyrics & 4 Albums |
| Os Mulekes |
1 Lyric & 1 Album |
| Os Mulheres Negras |
2 Lyrics & 3 Albums |
| Os Mutantes |
161 Lyrics & 55 Albums |
| Os Paralamas do Sucesso |
31 Lyrics & 4 Albums |
| Os Pedrero |
2 Lyrics & 2 Albums |
| Os Primos feat. Lay-Lizzy, Bangla10, Luxury Recycle, Ell Puto, Ian Blanco & Blaze |
1 Lyric & 1 Album |
| Os Primos feat. Laylizzy, Bangla10, Luxury Recycle, Ellputo, Ian Blanco & Blaze |
1 Lyric & 1 Album |
| Os Replicantes |
1 Lyric & 2 Albums |
| Os Travessos |
1 Lyric & 1 Album |
| Os Três Patinhos |
1 Lyric & 1 Album |
| OS101 |
1 Lyric & 1 Album |
| Osa |
2 Lyrics & 2 Albums |
| Osa feat. Footprint 5 |
1 Lyric & 1 Album |
| Osada Vida |
8 Lyrics & 3 Albums |
| Osaka |
1 Lyric & 3 Albums |
| Osaka & Brianna |
4 Lyrics & 2 Albums |
| Osaka feat. Brianna |
5 Lyrics & 4 Albums |
| Osaka Popstar |
20 Lyrics & 7 Albums |
| Osaka, Optimum & Brianna |
1 Lyric & 1 Album |
| Osama Azmy feat. Shereen |
2 Lyrics & 1 Album |
| Osanna |
2 Lyrics & 4 Albums |
| Osas Ogbeni |
1 Lyric & 1 Album |
| Osatia |
8 Lyrics & 7 Albums |
| Osb |
1 Lyric & 1 Album |
| Osborne |
8 Lyrics & 10 Albums |
| Osborne Anders |
1 Lyric & 1 Album |
| Osborne Brothers |
31 Lyrics & 9 Albums |
| Osborne Jeffrey |
2 Lyrics & 1 Album |
| Osborne Joan |
6 Lyrics & 4 Albums |
| Osbourne Family Album |
3 Lyrics & 1 Album |
| Osbourne Ozzy |
83 Lyrics & 11 Albums |
