 | Obstawa Prezydenta - Siedem Blues/Jazz |  28.11.2012 |
 | Obywatel MC - Getto Deluks Hip-Hop | 22.02.2013 |
 | OC - Trophies Hip-Hop |  01.05.2012 |
 | Occultation - Three and Seven Metal | 17.04.2012 |
 | Ocean - Wojna Świń Rock | 20.06.2011 |
 | Ocean of Noise - Ocean of Noise Alternatywa | 15.06.2013 |
 | Oceana - Endless Summer Pop | 21.05.2012 |
 | Oceana - My House Pop | 25.06.2012 |
 | Oceano - Incisions Metal | 01.10.2013 |
 | OCN - Waterfall Alternatywa | 08.04.2013 |
 | Ocote Soul Sounds & Adrian Que - Taurus Elektroniczna | 30.05.2011 |
 | Octave One - Revisited: Here, There and Beyond Elektroniczna | 24.04.2012 |
 | October Falls - The Plague Of A Coming Age Metal |  15.03.2013 |
| October Tide - Tunnel Of No Light Metal | 25.03.2013 |
 | Oda Relicta - Lux Aeterna Folk/Ludowa | 19.06.2012 |