 | Obsidian Sea - Strangers Metal |  22.03.2019 |
 | Obsidian Shrine - Bloodshed Under The Black Star Metal | 15.04.2022 |
 | Obsidian Tide - The Grand Crescendo Metal | 29.09.2023 |
 | Obsidian Tongue - Eclipsing Worlds Of Scorn Metal | 30.05.2025 |
 | Obsidian Tongue - The Stone Heart [EP] Metal | 02.02.2024 |
 | Obsidian Tongue - Volume III Metal | 31.01.2020 |
 | Obsidious - Iconic Metal | 28.10.2022 |
 | Obstawa Prezydenta - Siedem Blues/Jazz |  28.11.2012 |
 | Obywatel MC - Getto Deluks Hip-Hop | 22.02.2013 |
 | Obywatel MC - Star Dust Hip-Hop | 15.11.2019 |
 | Obywatel MC - Witaj w domu Hip-Hop | 23.04.2021 |
 | OC - Trophies Hip-Hop |  01.05.2012 |
 | Occulsed - Crepitation Of Phlegethon Metal | 17.09.2021 |
 | Occulsed - Parturition Of Adulteration Metal | 23.12.2022 |
 | Occult Burial - Burning Eerie Lore Metal | 30.10.2020 |