- 1 Outlawz
- 2 Oblomov
- 3 Ophelia
- 4 Oxymorrons
- 5 OneRepublic
- 6 Out Of Tune
- 7 Os Morenos
- 8 One Love Family
- 9 Other Lives
- 10 OZMA
- 11 Odd Future
- 12 Otto Le Blanc
- 13 Our Last Night
- 14 Outloud
- 15 oneBYone
- 16 Of Mice & Men
- 17 Oasis
- 18 One Last Breath
- 19 O.G.
- 20 Oscar Peterson Trio
- 21 Odiseo
- 22 Out Of Darkness
- 23 Origen
- 24 Onda Vaga
- 25 Outkast
- 26 Oh Wonder
- 27 Of Monsters And Men
- 28 Of The Orchard
- 29 Os Quatro e Meia
- 30 Opus