O

O
O R S A Y
O-Type
Oakeater
Oaristys
Oasis
Oathless
Obake
Object
Objekt
Obscuro Quasar
Obscvrii Lvnae
Ocean Colour Scene
Oceansize
Ochre
Ocoeur
Ocrilim
Octet
October File
The Octopus Project
Ocuban
Odd Nosdam
Oddateee
Oddfellow’s Casino
Oddisee
Odessa Kane
Odesza
Odori
ODP
Oeil et le Monocle (L’)
Oeuf Raide (L’)
Of Monsters And Men
Of Montreal
Of The Wand And The Moon
OfeliaDorme
OFF !
Official Secrets Act
Offshore
Offthesky
OFWGKTA
Oh No
Oh Susanna
Oh ! Tiger Mountain
Ohm Meta
Oikos
Oiseaux-Tempête
Oizak
Ok
OK Go
OKADA
Okkervil River
Oknai
Oko
Olan Mill
Old Canes
Old Earth
Old Fire
Old Man Gloom
Old Mountain Station
The Old Wind
Oliver Future
Oliver Lieb
Oliver the 2nd
Oliver Wilde
Oliveray
Olivia Pedroli
Olivier Depardon
Olkin Donder
Olle Nyman
Ollie Loudon
Ol’ Burger Beats
Om
Omaniescum Aorisum
Omar Rodríguez-López
Omar Rodríguez-López Group
Omar Rodríguez-López Quartet
OMBRE
Omega Male
Omega Massif
Omi Palone
Omni
Omo
OMR
On
On Escalators
On Fillmore
The One AM Radio
The One Burned Ma
One Lick Less
One Little Plane
One Second Riot
One-Two
Onego
Oneida
Oneirogen
Oneohtrix Point Never
onj.
Only Real
Onoe Caponoe
Onry Ozzborn
Onsy
Ontervjabbit
The OO-Ray
Ooberman
OOIOO
Oopz
Oozing Wound
OP8
Open Mike Eagle
Operator Please
Operators
Opeth
Opio
Opossom
Ops Esponja
Optiganally Yours
OptimisGFN
Orange (L’)
Orange Blossom
Orange Blossom Flyover
Oranssi Pazuzu
Orbique
Orbital
Orbs
Orcas
The Orchestra Of Mirrored Reflections
Orchestra of Spheres
Orchestre Tout Puissant Marcel Duchamp
The Orchids
Oren Ambarchi
The Organ
Organ Morgan
Organized Threat
Organoid
Orghanon
Origamibiro
Original Folks
Ork
Orka
Orlando Julius
Orme
Ormonde
Ornette Coleman
Orouni
Orphax
Orrin
Orso Jesenska
Orson Hentschel
Orthodox
Ortolan
Orval Carlos Sibelius
Orwell
Os Mutantes
Oscar
Oscar Lush
The Oscillation
Oskar Ohlson
Oso Blanco
Osso
Other Lives
Other Matter
Otherdays
Otomo Yoshihide
Otto A. Totland
Ought
Oui Mais Non
Ouisa Hound
Our Broken Garden
Our Brother the Native
Ourson
Outer Gods
OutKast
The Outside Agency
Oval
Overhead
Overlow
OvO
Ovtrenoir
Owen
Owen Kilfeather
Owen Pallett
OwL
Own Road
Ox.Eagle.Lion.Man.
Oxbow
Oxia
Oxykitten
Oyaarss
Oyster’s Reluctance
O’Death