5 Barry O'Dowd & The Highlanders
6 Odroerir
6 Yaniss Odua
1 Οδυσσέας
4 Odyssee of Noises
6 Odyssey mid 90s German eurohouse act
9 Odyssey 70's/80's US disco act
3 Odyssey 60s psychedelic hard rock
6 Odyssey UK d&b producer Simon Donohue
6 Odyssice
3 Oedo Sukeroku Taiko
5 Sjef van Oekel
8 L'Œuf Raide
7 Of Loren Chasse
4 Of Cabbages and Kings
1 Of Graves and Gods
4 Of Machines
4 Of Mice & Men
9 of Montreal
2 Of No Avail
3 Of Porcelain
3 ...Of Sinking Ships
2 Of The I
9 :Of the Wand & the Moon:
3 Of Unknown Origin
3 Ofermod
1 Oferta Especial
8 Off
3 Off and Gone
7 Off by One
8 オフコース
4 Off Da Hook
7 Off Kilter
7 Off Minor
6 Off Pop
9 Off the Beat
1 Off the Record
9 Off the Sky
4 Off With Their Heads
1 Off-Beat
9 Offenbach Québec blues/rock band, mostly active in the 70's, 80's
9 Jacques Offenbach
2 Offenbacher Kinderchor
5 Offenders
5 Offense
7 Offering Christian Vander
4 Offerprästers orkester
8 Office
8 Officer Negative
3 Officer Roseland
7 Official Secrets Act
1 Officina Emotiva
8 Officium Triste
9 Kardinal Offishall
6 Offlaga Disco Pax
9 The Offspring
5 Offwhyte
5 Offworld Communication Systems
8 Oficina G3
8 Liam O'Flynn
9 Oforia
4 Ofrin
9 O'funk'illo
7 OFX
8 Ayub Ogada
1 緒方恵美
1 小川真奈
1 Claus Ogerman and Michael Brecker
3 Claus Ogermann
3 荻野目洋子
2 小椋佳
4 Oglio Records
1 Огни Святого Эльма
5 Ogonek Valeri Sholevski
4 Ogonek & Cooh
3 Ogre Canadian industrial vocalist aka Nivek Ogre
9 Les Ogres de Barback
6 Les Ogres de Barback & La Fanfare du Belgistan
8 Les Ogres de Barback & Les Hurlements d'Léo
8 Erkan Oğur
7 Erkan Oğur & İsmail H. Demircioğlu
2 Kenji Ogura
4 小倉優子
4 Oh Astro
7 Oh Laura
6 oh my god
9 Oh No
8 Oh No Oh My
7 Oh No Ono
7 Oh Susanna
5 Oh Well
7 Oh! Penelope
7 Oh, Sleeper
8 Dustin O'Halloran
6 Mary O'Hara
8 Mary Margaret O'Hara
2 オハラマヤ
5 Paige O'Hara
7 Raz Ohara and The Odd Orchestra
5 大橋トリオ
6 おおはた雄一
7 Ohbijou
9 Patrick O'Hearn
9 ohGr
6 大黒摩季
3 Ohinemutu Cultural Group
9 Ohio Express
9 Ohio Players
7 Ohio State University Marching Band
6 大平勇
1 Manabu Ohishi
1 OHL
6 Ohlson Har Semester Production
7 Ohm fusion band of ex-Megadeth guitarist Chris Poland
8 Ohm Guru
9 Ohm Square
9 Ohmega Watts
9 Ohm-G
5 Ohm-G & Bruno
4 Ohmna
1 Zero Ohms and Brannan Lane
5 Takayoshi Ohmura
7 OHN
9 大野克夫
9 大野雄二
4 O'Hooley & Tidow
9 Ohrbooten
6 Ohrenfeindt
4 Ohta San
4 太田裕美
8 大谷智哉
4 Ohtar
7 Gon Ohtsuji & Junji Kamatsuka
4 大槻ケンヂと橘高文彦
1 大槻ケンヂと絶望少女達
9 Oi Polloi
9 Oi Va Voi
3 Oi! N'Ast
5 The Oi! Scouts
1 Oi! The Arrase
6 Jimmy Oihid
9 Oil 10
1 Oil Seed Rape
9 Oingo Boingo
3 OIO
6 Oiro
5 Oi-SKALL Mates
9 Mr. Oizo
6 Oizone
5 OJ da Juiceman
5 Aleksi Ojala
9 The O'Jays
5 Ojo Rojo
9 Ojos de Brujo
4 OK Cobra
9 OK Go
3 Oka
6 岡晴夫
7 岡部啓一
5 Okada Taxi a.k.a. Kanoe
5 岡田有希子
7 Seirou Okamoto
5 岡本隆司
7 Tanju Okan
2 The O'Kanes
6 Александр О'Карпов
4 Martin Okasili
8 Okay
9 岡崎律子
9 Океан Ельзи
1 Океан печали
7 Johnny O'Keefe
6 Laurence O'Keefe US musical composer
7 Laurence O'Keefe & Nell Benjamin
4 おけいさんと安倍なつみ(モーニング娘。)
4 沖野俊太郎
5 沖野修也
9 Okkervil River
1 Okko Bekker
2 The Okmoniks OKMONIKS are from Tucson, Arizona.
7 Okoumé
6 Aulikki Oksanen
1 Ritva Oksanen
8 奥華子
8 奥慶一
9 大久保博
9 奥田民生
4 Булат Окуджава
9 奥河英樹
9 奥井雅美
4 奥村愛子
3 奥村チヨ
3 OKUYATOS
5 Ol' 55
9 Ol' Dirty Bastard
8 Ol' Kainry
7 Ola Svensson
5 Oláh Ibolya
4 OLAibi
8 Michael Babatunde Olatunji
9 Zuhal Olcay
2 Zuhal Olcay & Cengiz Onural
1 Old
9 Old & In the Way
9 Old 97's
3 Old and New Dreams
9 Old Blind Dogs
5 Old Canes
9 Old Crow Medicine Show
8 The Old Dead Tree
4 Old Dogs
6 Old Funeral
6 The Old Haunts
7 Old Jerusalem
1 The Old Man & The Sea
9 Old Man Gloom
1 Old Man Luedecke
6 Old Man River
9 Old Man's Child
1 Old Mayor http://www.metal-archives.com/band.php?id=3540279026
7 Old School Freight Train
5 Old Skull
5 The Old Soul
9 Old Time Relijun
8 Old Wainds
9 Oldelaf et Monsieur D.
6 Harry Oldfield
9 Mike Oldfield
9 Sally Oldfield
9 Terry Oldfield
9 Will Oldham
8 Coyote Oldman
9 Peter Oldroyd & Gary Scargill
7 George Oldziey
9 Ole Ivars
7 Оле Лукойе
7 Ole Van Dansk
9 Oleander
3 Mark O'Leary / Eyvind Kang / Dylan van der Schyff
7 Olen'K
9 Ольга Арефьева и группа "Ковчег"
6 Olga+Jozef
5 Olhon
9 Oli.P
7 オーライフジャパン
9 Jon Oliva's Pain
4 Olive Indonesian jazz singer Olivia Latuputty
9 Olive UK dance/breakbeat/trip-hop group
2 Olive Inc.