ヴォーカルまとめ>サークル別(O-Z)
- OHBA堂
- One's Spare Time
- Orpheus
- OTAKU-ELITE Recordings
- PARADOX
- Pizuya's Cell
- Pizuya's Cell x MyonMyon
- positive suicide
- PROJECT tM@S
- PROSCIUTTO
- Q-BIT
- QLOCKS
- R-note
- Raw Postlarvae Blown(合同企画サークル)
- Gensou Diary(合同企画CD)
- Re:cy:cle
- Re:SPEC
- Re:Volte
- Radical Rhythm
- RedGear
- RegaSound
- Reliance:Tone
- Rhyth
- Rocker's Step
- ROUGH TIME
- RW
- rythmique
- SAVE THE QUEEN
- Scinicade
- SCN(Saikoro Club Network)
- SEA SPARROWS
- Secret Garden
- Seele
- seven senses
- ShibayanRecords
- Siestail
- Silly Walker
- Silver Forest
- Sister's Spread-i
- SJV-SC
- sociopath
- SOLEIL
- Sonic Hybrid Orchestra
- Sonic Revolution
- Sound.AVE
- Sound∞Infinity
- Sound Bullet Hell
- Sound CYCLONE
- Sound./Ecriture
- SOUND HOLIC
- Sound Online
- SOUND UNiSON NEST
- Sound wide
- SOUTH OF HEAVEN
- Soy-SOUTH
- Spielraum
- Sprite Wing
- Stratiotes
- strobo head
- Studio K.N.S.
- SuganoMusic
- Sugar Moon
- sun3 FielD
- Sun Flower Field
- SWING HOLIC
- SYNC.ART'S
- T.SC
- t=NODE
- TAMUSIC
- TaNaBaTa
- TATAMIStugiwo
- Teadrops
- the blankets
- THOUSAND LEAVES
- TUMENECO(冷猫)
- Ultra Magic Mushroom
- UNDEAD CORPORATION
- Unionest.NET
- united daft attack
- Unlucky Morpheus
- Unlucky Morpheus×AQUAELIE
- Unnatural Death(Evergrace)
- Unreal Line
- USOL
- UtAGe
- VAGUEDGE
- Vaguedge dies for dies irae
- VIGNETTE HOUSE
- WAVE
- White Elephant
- XL Project
- XOTIC
- YuelStudio.org
- Zephill