 | Oceans Of Slumber - Winter Metal |  04.03.2016 |
 | Oceans Of Time - Trust Metal |  17.03.2016 |
 | Ochman - Klasycznie Pop | 22.11.2024 |
 | Ochman - Ochman Reggae/Ska | 19.11.2021 |
 | Ochman - Testament Pop | 10.11.2023 |
 | OCN - Demon i karzeł Alternatywa | 25.09.2015 |
 | Octavia - Kolędy w podróż wigilijną Inne | 03.12.2015 |
 | October Falls - A Fall Of An Epoch Metal | 30.05.2020 |
 | October Falls - Kaarna Metal | 20.06.2014 |
 | 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 |
 | Odd Dimension - The Blue Dawn Metal | 26.03.2021 |