 | Orquestra De Guitarres De Barcelona - Orquestra de Guitarres de Barcelona Inne |  12.04.2011 |
 | Osada Vida - Particles Metal | 09.04.2013 |
 | Osaka Monaurail - State of the World Soul/RnB | 22.05.2012 |
 | Oscar & The Majestics - No Chance Baby! Rock | 26.07.2011 |
 | Oscar Moore - Presenting Oscar Moore Blues/Jazz | 15.11.2011 |
 | Oscar Peterson - Oscar Peterson Plays: West Side Story Blues/Jazz | 21.06.2011 |
 | Oshiego - The Great Architect Of Nothing Metal | 15.10.2013 |
 | OSI - Fire Make Thunder Metal | 27.03.2012 |
 | Oso Vicious - It's All in the Game Hip-Hop | 01.11.2011 |
 | Osssy - Serum Pop | 08.05.2012 |
| Otenki - Kinetic Rock | 26.06.2012 |
 | Otep - Atavist Metal | 26.04.2011 |
 | Other Lives - Tamer Animals Rock | 10.05.2011 |
 | Otherwise - Peace At All Costs Metal | 16.09.2014 |
 | Otherwise - True Love Never Dies Metal | 08.05.2012 |