 | 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 dell'Opera Carlo Felice Genova - Invocation Klasyka | 30.04.2026 |
 | Orchestra of Spheres - Nonagonic Now Pop |  08.11.2011 |
 | Orchestra of the Eighteenth Century - Brahms: Ein Deutsches Requiem Klasyka | 18.01.2019 |
 | Orchestra Philharmonic Oslo - Sibelius Klasyka | 13.05.2022 |
 | Orchestral Manoeuvres in the Dark - Souvenir Elektroniczna | 11.10.2019 |
 | Orchestre de la Suisse Romande - Works Klasyka | 01.06.2019 |
 | Orchestre de Paris, Seiji Ozawa - Stravinsky: The Firebird Klasyka | 08.09.2017 |
 | Orchestre Poly-Rythmo - Cotonou Club Inne | 12.04.2011 |
 | Orchid's Curse - Words Metal | 26.03.2013 |
 | Ordalia - Odes For Victory Metal | 20.09.2023 |
 | Orden Ogan - Final Days Metal | 26.02.2021 |
 | Orden Ogan - Final Days: Orden Ogan And Friends Metal | 21.10.2022 |
 | Orden Ogan - Gunmen Metal | 07.07.2017 |