 | Olaf Deriglasoff - XXX Rock |  20.06.2014 |
 | Olamot - Path Of Divinity Metal |  29.04.2024 |
 | Olavi Trio - Triologia Blues/Jazz |  18.10.2011 |
 | Olbrzym i Kurdupel, Willi Hanne - In Side Shout Blues/Jazz | 29.01.2016 |
 | Olcay Bayir - Ruya Dream For Anatolia Folk/Ludowa | 26.04.2019 |
 | Old 97's - The Grand Theatre, Vol. 2 Country | 05.07.2011 |
 | Old Corpse Road - On Ghastly Shores Lays The Wreckage Of Our Lore Metal | 15.05.2020 |
 | Old Forest - Back Into The Old Forest Metal | 03.05.2020 |
 | Old Forest - Graveside Metal | 06.12.2024 |
 | Old Forest - Mournfall Metal | 23.04.2021 |
 | Old Forest - Sutwyke Metal | 31.03.2023 |
 | Old Forest - The Old, Old Forest: Complete Demo Collection 1998-2001 Metal | 31.10.2022 |
 | Old Funeral - Our Condolences 1988 - 1992 Metal | 15.02.2013 |
| Old Man Gloom - No Metal | 26.06.2012 |
 | Old Man Gloom - Seminar IX: Darkness Of Being Metal | 22.05.2020 |