 | Ochman - Testament Pop |  10.11.2023 |
 | OCN - Demon i karzeł Alternatywa | 25.09.2015 |
 | Octave One - Revisited: Here, There and Beyond Elektroniczna |  24.04.2012 |
 | Octavia - Kolędy w podróż wigilijną Inne | 03.12.2015 |
 | October Falls - A Fall Of An Epoch Metal | 30.05.2020 |
 | October Noir - Letters To Existence Metal | 22.08.2023 |
 | October Tide - In Splendor Below Metal | 17.05.2019 |
 | October Tide - The Cancer Pledge Metal | 06.10.2023 |
 | October Tide - Winged Waltz Metal | 22.04.2016 |
 | Octoploid - Beyond The Aeons Metal | 05.07.2024 |
 | Oda Relicta - Lux Aeterna Folk/Ludowa | 19.06.2012 |
 | Odd Dimension - Symmetrical Metal | 22.03.2011 |
 | Odd Dimension - The Blue Dawn Metal | 16.07.2021 |
 | Oddisee - Alwasta Hip-Hop | 24.06.2016 |
 | Oddisee - Rock Creek Park Hip-Hop | 06.09.2011 |