O.K.! O.K. KIDS-7601
         Ogre - Grand Repeat - DPCX-5081
         Ogre Battle ~ Grand Repeat DPCX-5221
         Ogre Battle ~ The Entrance DPCX-5220
         Ogre Battle 64 Person of Lordly Caliber DPCX-5203~05
         Ojousama Express Original Soundtrack & Vocal Collection FSCA-10043
         ojousama sousamou Original Soundtrack PICA-1095
         Olympos, APO nashi Girls PCCB-00232
         Omega Fighter ~ Atomic Robo Kid PCCB-00038
         Omizu no kazoe uta MJDA-90006
         OMY Solo Works PCCB-00392
         One on One Original Soundtrack TKCA-71544
         Oni Coach ~ Insult for Victory Special Sound Album ABCA-36
         Onimusha Original Soundtrack and Suite CPCA-1048~49
         Opening March / Lot's Theme BY12-5001
         Operation Europe Game Music KECH-1017
         Operation Tiger Original Soundtrack ZTTL-0032
         'Ore No Shikabane Wo Koete Yuke Original Soundtrack SVWC-7033
         Ore! Tonba - Que Sera Sera TODT-5098
         Ore! Tonba Paradise / Tokyo Q Channel TODT-5073
         Oriental Magnetic Yellow PCCB-00235
         Oriental Magnetic Yellow ~ The Best Album SCDC-00062
         Origin Soundtrack Series Volume 1 none0002
         Origin Soundtrack Series Volume 2 none0004
         Origin Soundtrack Series Volume 3 none0042
         Original Sound of Cyber Tank BY12-5029
         Original Sound of Double Dragon BY12-5028
         Original Sound Of Dragon Slayer 4 (Cassette) KHY-1020
         Original Sound of Gradius & Salamander ~ Battle Music BY30-5180
         Original Sound of Gradius (Arcade Version) BY12-5021
         Original Sound of Gradius 2 (MSX Version) BY12-5022
         Original Sound of Parodius (MSX Version) BY12-5023
         Original Sound of Salamander (Arcade Version) BY12-5019
         Original Sound of Salamander (MSX Version) BY12-1123
         Original Sound of Slipheed BY12-5030
         Original Sound of WEC Le Mans 24 BY12-5027
         Original Sound of Xanadu ~ Dragon Slayer Legend ~ K32X-7107
         Original Sound of Xanadu Vs. Ys (MSX Version) (Cassette) KHY-1028
         Original Soundtrack from Adventure of Robin Lloyds ABCA-57
         Original Soundtrack from Super Produce ABCA-56
         Original Soundtrack rouyosenki Madara 2 KICA-7619
         Original Video Anime ~ Salamander ~ Gofer's Ambition K30X-7159
         Original Video Anime ~ Salamander ~ Illusion's Power K30X-7148
         Original Video Anime Salamander K32X-7108
         Osamu Tezuka REMIX-Kagaku no chikara- KMCA-46
         Other Life Azure Dreams Original Game Soundtrack KICA-7808
         Otokirisou soseihen Original Soundtrack & Arrange FSCA-10081
         Our Equation (Answer) ~ Rule ~ CODC-764
         Our Song WDDN-35
         Outrun / Sega S.S.T. (Famous Recording Series) PCCB-00081
         OVA Graduation ~ Graduation APDM-5017
         OVA Graduation ~ Graduation ~ Music & Drama Collection APCM-5058
         OVA Idol Fight Sweetie Pie 2 Music Collection COCC-13261
         OVA seria V (Victory) Music and Drama Collection APCM-5059
         OVA Tokimeki Memorial Original Soundtrack KMCA-17
         Over the Rainbow KICA-7795
         Overblood Original Soundtrack ~ GM Progress 10 MGCD-1024
         Overtop oshidashi JINTORIKKU PCCB-00206