Bands & Künstler
- O. Children
- Oberer Totpunkt
- Oberon
- Object
- Objekt/Urian
- Objekt Urian
- Obscenity trial
- October tide
- Of the wand an the moon
- Officers
- ohGr
- Ohm
- Ohrenpeyn
- Oil 10
- Oldschool Union
- OMD
- Omdulö
- Omega Lithium
- Omnia
- Omnium Gatherum
- Oniric
- Onyx Eyes
- Oomph!
- Opera Multi Steel
- Opeth
- Oppenheimer MkII
- Opusculum
- Orange Sector
- Orbis pictus
- Orchis
- Ordo Equitum Solis
- Ordo Rosarius Equilibrio
- Orfeo
- Orgonautic
- Orpheus in Red Velvet
- Orphaned Land
- Orphx
- Osewoudt
- Ostara
- Ost+Front
- Other Day
- Otradek
- Otto Dix
- OTX
- OWLS
