Oh! My Goddess!
View Aa Megamisama

Ojamajo Doremi (Magical Doremi)
Ojamajo Carnival (1st Opening theme Ver 1)
Ojamajo Carnival (1st Opening theme Ver 2)
Ojamajo de ban ban (3rd Opening theme)
DANCE! Ojamajo (4th Opening theme)
Pirikarapiri Lucky!
M14

Omoide Poro Poro
Ai wa Hana, Kimi wa Sono Tane

On Your Mark
On Your Mark (Opening theme - version 1)
On Your Mark (Opening theme - Piano - version 2)
On Your Mark (Opening theme - version 3)

One Piece
We are! (1st Opening theme - version 1)
We are! (1st Opening theme - version 2)
We are! (1st Opening theme - version 2 - full)
We are! (1st Opening theme - version 3)
Memories (1st Ending theme - version 1)
Memories (1st Ending theme - version 2)
Believe (2nd Opening theme)
Believe (2nd Opening theme - version 2)
Run! Run! Run! (2nd Ending theme)
Idai naru umi no daibouken
Hikari e (To the light)

Onegai Teacher
Shooting Star (Opening theme)
Shooting Star (Opening Theme - Version 2)
Sora No Mori De (1st Ending Theme)
Love a riddle (2nd Ending theme TV size)
Nani mo okoranainda (in "Onegai*Teacher Sound Collection 03")
Snow Angel

Onegai Twins
Second Flight (Opening Theme TV size)
Second Flight (Opening Theme - Version 2)
Asu e no Namida (Tears for Tomorrow) (Ending Theme)

Otogi Story Tenshi no Shippo
View Tenshi no Shippo

Outlaw Star
Through the night (Opening theme)
Hiru no tsuki (Daytime moon) (1st Ending theme - Version 1)
Hiru no tsuki (Daytime moon) (1st Ending theme - Version 2)
Hiru no tsuki (Daytime moon) (1st Ending theme - Version 3)
Hiru no tsuki (Daytime moon) (1st Ending theme - Version 4)
Tsuke no ie (House of the moon) (2nd Ending theme)