Artists starting with O
Operation Ibis
Operation Interstellar
Operation Ivan
Operation Ivy
Operation Kaknäs
Operation Kaoz
Operation Kino
Operation Mainframe
Operation Majority
Operation Mastermind
Operation M.D.
Operation M.D.
Operation Midnight
Operation Midnight Climax
Operation Mincemeat
Operation Mind Control
Operation: Mindcrime
Operation Mission
Operation Near
Operation Noir
Operation No One Knows
Operation Northwoods
Operation Nutcracker
Operation O
Operation Octopus
Operation Offbeat
Operation: Paperclip
Operation Paranoia
Operation Phoenix
Operation Plasticine
Operation Playa
Operation PopStar
Operation Radio
Operation Rayo
Operation Re-Information
Opération S
Operations
Operation Semtex
Operation Shakedown
Operation Shipship
Operation Sodasteal
Operation Sound System
Operation Super Friendz
Operation Tomorrow
Operation Underground
Operation Volkstod
Operation Volume
Operation Wang Chung
Operation White Rabbit
Operation Winter Mist