Interpreten mit OP
- Opus
- Opeth
- OPM
- Operation Ivy
- Optimale Härte
- Opera Ix
- Open Hand
- Ophélie Winter
- Operator Please
- Opshop
- OPHTHALAMIA
- Opa Unger
- Operation
- Opus III
- Open Mike Eagle
- Opa
- Opodeldox
- Opus Orange
- Optimus Rhyme
- Opiate for the Masses
- Opera Magna
- Optik Army
- Oppera
- Op jot Kölsch
- Oppressor
- Opio
- Optical 2
- Opihi Pickers
- Operation Winter Mist
- Operacion Triunfo 1
- Opick
- Open Minded
- Opiúm
- Opprobrium
- Opus Doria
- Optimo
- Optiganally Yours
- Open Skyz
- Open Season
- Op zoek naar Nemo
- OppositE
- Oppenheimer
- Opera Multi Steel
- Open The Skies
- Opanso je ljubiti
- Operators
- Opium Jukebox
- Ophis
- Operation Cunt Destroyer
- Opposition of One
- Oppenheimer Analysis
- OP 2
- Opus Dai
- Operatika
- Operator
- Open Air Stereo
- Operation Semtex
- Opossom
- Operadyse
- Opus Avantra
- Opa Tsupa
- Opus Draconis
- Ophidian
- Ópal
- Opstand Gospel Choir
- Operación Mutante
- Opéra De Nuit
- Operation: Cliff Clavin
- Optimus
- Opera Diabolicus
- Operatic
- Opale
- Opus 4
- open chapter
- Op8
- OperaBabes
- Opa Cupa
- Open Sky
- Opium Warlords
- Ophelia
- Opus Cuatro
- Opera to Relax
- Operation Aloha
- Optimal
- Opera Chillout
- Opcio K-95
- Opera Familia
- Optimum
- Open Door
- Op?a Opasnost
- Open Road
- Opus 808
- Opak
- Open House
- Opensouls
- Operation Eat Shit
- Oppie Andaresta
- Opus X
- Optimist Park
- Opto