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 | Oranssi Pazuzu - Valonielu Metal | 11.10.2013 |
 | Oranssi Pazuzu - Värähtelijä Metal | 26.02.2016 |
 | Oranżada - Once Upon A Train Rock |  16.06.2012 |
 | Orbeth - Mentalist Metal | 01.01.2016 |
 | Orbit Culture - Death Above Life Metal | 03.10.2025 |
 | Orbit Culture - Descent Metal | 18.08.2023 |
 | Orbit Culture - Nija Metal | 07.08.2020 |
 | Orbit Culture - Shaman [EP] Metal | 24.09.2021 |
 | Orbita Wiru - My maszyny Metal | 13.05.2013 |
 | Orbital - Optical Delusion Elektroniczna | 17.02.2023 |
 | Orbital - Original Album Series Elektroniczna | 17.10.2011 |
 | Orbital - Pusher Filmowa | 08.10.2012 |
 | Orbital Gate - Demonstration Of Post Apocalyptic Warfare Metal | 28.03.2025 |