- 1 Old Crow Medicine Show
- 2 Other Lives
- 3 Overground
- 4 One Heart
- 5 O.G.
- 6 Orgy
- 7 Outloud
- 8 Oasis
- 9 OneRepublic
- 10 Odiseo
- 11 Ours
- 12 Oblomov
- 13 Os Morenos
- 14 Orchestre Philharmonique de Radio France
- 15 Orchestral Manoeuvres in the Dark
- 16 Omnium Gatherum
- 17 O.A.R.
- 18 Ocean Alley
- 19 Ophelia
- 20 Oceans Above
- 21 Otto Le Blanc
- 22 Owls
- 23 Our Last Night
- 24 Oliver Shanti & Friends
- 25 Of Mice & Men
- 26 OSLO
- 27 One Nation
- 28 Oxymorrons
- 29 Oh Honey
- 30 Odd Mob