- Only the FactsMabanua
- Originales - 20 Exitos (Explicit)Genitallica
- Out There (Original Television Soundtrack)Patrick Jonsson
- OfflineNovella
- OTRA VEZBita
- OceanNetherworld
- OyeAndy Russell
- Other Mommy (Original Motion Picture Soundtrack)Patrick Jonsson
- OuternationalBilly MacKenzie
- Ocean of SilenceBrendan Graham
- On The WayBlair
- Oso Kratai Enas KafesDionisis Theodosis
- Outer Edge (Explicit)Brendan Graham
- One Way HomeDavid Lasley
- ONYX SOULBrendan Graham
- OmskNits
- O Zabetas Paizei HatzidakiGiorgos Zabetas
- Objectiu: La LlunaLax'n'Busto
- Only OneDynamo
- OneDynamo
- Octopus (2011 Remaster)Gentle Giant
- O Pio Kalos O MathitisGiorgos Zabetas
- OctopusGentle Giant
- Out of the Woods - The BBC SessionsGentle Giant
- Only You Can DeliverKevin Vasser
- On the RiseEtoile
- Octopus (Steven Wilson Mix)Gentle Giant
- O Life is SweetMarisa
- Osmy PlanNatalia Kukulska
- Os MulekesOs Mulekes
- Oniro 13Mihalis Rakintzis
- Our World No Longer ExistsLemuria
- O Ritmo E O Som Da Bossanova (Remastered)Milton Banana
- One For My BabySøren Sko
- Out 2 Lunch EPJovonn
- One Time Too ManyVic Dickenson
- One of UsVic Dickenson
- One Long StringRed Mitchell
- On A Tropic NightDOROTHY LAMOUR
- Out Of PhaseThe Oscillation
- OmnioIn The Woods
- Only ChristmasGaric
- OlèMato Locos
- Over YouViani
- On A Beat 10Tone Bone
- ONXE (feat. DJ Kridlokk)Adi L Hasla
- Once Upon A PianoLucas King
- One More LieLucas King
- OmensLucas King
- OmSuzzies Orkester
- Onryō 怨霊Lucas King
- Off the HookShe-Male Trouble
- On My Desk유란 (Uran)
- October SoundsAdrian Crowley
- One Sided (feat. Mark Klaver)Miles Away
- Ogromnoe neboMark Bernes
- Out of the BlueVester Koza
- Ofrenda en cuerdasPiezas
- OnyxAdrian Oblanca
- On a Cold Winter Night: The Kingston Trio Holiday ConcertKingston Trio
