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 | Oranssi Pazuzu - Muuntautuja Metal | 11.10.2024 |
 | Oranssi Pazuzu - Värähtelijä Metal | 26.02.2016 |
 | 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 |
 | Orbital - Optical Delusion Elektroniczna | 17.02.2023 |
 | Orbital Gate - Demonstration Of Post Apocalyptic Warfare Metal | 28.03.2025 |
 | Orchester Der Wiener Staatsoper - 150 Years Wiener Staatsoper Klasyka | 01.07.2019 |
 | Orchestra Baobab - Orchestra Baobab: Pirates Choice Folk/Ludowa | 17.11.2017 |
 | Orchestra Baobab - Orchestra Baobab: Specialists In All Styles Folk/Ludowa | 17.11.2017 |
 | Orchestra Baobab - Tribute To Ndiounga Dieng Folk/Ludowa | 31.03.2017 |
 | Orchestra dell'Opera Carlo Felice Genova - Invocation Klasyka | 30.04.2026 |