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