Opera 2009
Artist with "CD 1" album

opera angel_Maria Kesselman & Emma Silversides
Artist with "grace" album

Opera aria
Artist with "Operatically Incorrect" album

Opera Arias
Artist with "Fritz Wunderlich" album

Opera Arias_Various Artists
Artist with "Opera Arias" album

OPERA AT THE MOVIES
Artist with "OPERA AT THE MOVIES" album

Opera Australia
Artist with the following albums: "The Classic 100 Opera Concert at Sydney Opera House", "Great Opera Choruses", "A Year at the Opera - Highlights from Opera Australia's 2003 sea"

Opera Babes
Artist with the following albums: "One Fine Day", "Beyond Imagination"

Opera Chaotique
Artist with the following albums: "Death Of The Phantom Of The Opera", "Poems Of A Dirty Old Man"

Opera Chillout
Artist with the following albums: "Opera Chillout Cd 1", "Opera Chillout Cd 2"

Opera comique, Pierre Dervaux, conductor
Artist with "Veronique - Opera in 3 acts by Andre Messager" album

Opera conductor Evgeny Kolobov
Artist with "" album

Opera d' Italiana
Artist with "Carmen" album

Opera de Lyon
Artist with "Susannah" album

Opera de Paris
Artist with "" album

Opera Diabolicus
Artist with "1614" album

Opera Divas 1906-1935
Artist with "Prima Voce" album

Opera EMI
Artist with the following albums: "Opera 2009 CD2 -REX", "Opera 2009 CD1 -openCD -REX"

Opera Explained
Artist with the following albums: "Mozart - The Marriage of Figaro", "Donizetti - L'elisir d'amore"

Opera Favorites
Artist with the following albums: "Album III", "Album II"

Opera Favourites CD1
Artist with "Opera Favourites CD1" album

Opera Favourites CD2
Artist with "Opera Favourites CD2" album

Opera Festival
Artist with "De Mooiste Koren" album

Opera For Lovers
Artist with "Opera For Lovers" album

Opera For Pleasure
Artist with the following albums: "Unknown CD for MusicBrainz and FreeDB", "Choruses"

Opera Gala
Artist with the following albums: "An Introduction", "Opera Gala - CD2", "Opera Gala - CD9", etc...

Opera Highlights
Artist with "CD 3" album

Opera Hits
Artist with "Opera Hits" album

Opera Hits - disc1
Artist with "Opera Hits - disc1" album

OPERA HOUSE
Artist with "それが僕等の恋愛生活 Vocal Collection" album

Opera i tiden og Cikada strykekvartett
Artist with "" album

Opera Interludes
Artist with "Country House Opera" album

Opera Intermezzi
Artist with "Herbret Von Karajan : Master Recordings : BoxSt : 10 CDS (8 of 1" album

Opera IX
Artist with the following albums: "Maleventum", "The Call of The Wood", "The Black Opera Symphoniae Mysteriorum In Laudem Tenebrarum", etc...

Opera IX [occult black metal]
Artist with "Sacro Culto" album

Opera Lafayette - R. Brown
Artist with "" album

Opera Lite
Artist with "Christmas At The Eagle Tavern" album

Opera Macabre
Artist with "Thorns" album

Opera Magna
Artist with the following albums: "El Ultimo Caballero", "", "Poe", etc...

Opera Multi Steel
Artist with the following albums: "Cathedrale", "", "Histories de France", etc...

Opera Nights
Artist with "Opera Nights Disc I" album

Opera North
Artist with the following albums: "8 Little Greats", "2006 -2007 Highlights", "Harry Enfield's Guide to Opera"

Opera North - Richard Hickox
Artist with "William Walton - Troilus and Cressida -- CD1" album

Opera North - Richard Hickox)
Artist with "William Walton - Troilus and Cressida -- CD2" album

Opera Nova
Artist with the following albums: "Jesus on the Mount of Olives", "", "Silence and Peace in our Heards"

Opera on the Run
Artist with "As Seen in Opera Cafe" album

Opera Orch of New York - Eve Queler
Artist with "Jules Massenet, Le Cid CD 1" album

Opera Orchestra New York, Eve Queler
Artist with "Verdi --- I Lombardi all prima crociata" album

Opera Orchestra of New York - Eve Queler
Artist with "Jules Massenet, Le Cid CD 2" album

Opera overtures
Artist with "Various artists" album

Opera Pacific
Artist with "Opera Pacific 2002-2003 Season Highlight CD" album

Opera Practice >Perfect
Artist with "Mimi" album

Opera Practice Perfect
Artist with the following albums: "Tosca", "Marguerite", "Fiordiligi1", etc...

opera practrice perfect
Artist with "Santutta" album

Opera Queensland Chorus
Artist with "Opera's Greatest Choruses" album

Opera Rara
Artist with "Il Salotto vol.9 - Ora divina" album

Opera Rock pour Enfants
Artist with "" album

Opera Sacra of Buffalo
Artist with "Charles Peltz / Honegger / Christoph Colomb" album

opera senza
Artist with "mozart: don giovanni [arr. triebensee]" album

Opera Singers
Artist with "Aida - Highlights" album

Opera Stars from 1900 to 1960
Artist with the following albums: "Met Stars in The New World, Disc 1", "Met Stars in the New World, Disc 2"

Opera Swing Quartet
Artist with the following albums: "Wolferl's Schmankerln", "Schwansinn", "", etc...

Opera The Best
Artist with the following albums: "Various - The Best Opera Album In The World...Ever! - CD2", "The Best Opera Album In The World...Ever! - disc1"

Opera to Relax
Artist with "From Life 2 Life" album

Opera Tralala
Artist with "De Laarzen van Lento" album

Opera's Finest Moments
Artist with "I Grandi Tenori Italiani CD 4" album

Opera's Greatest Duets
Artist with "Opera's Greatest Duets" album

Opera, A Compilation - Various Composers, Artists
Artist with "Opera-Intermezzi; / Opera-Intermezzi" album

Opera-8
Artist with "Da Barber (of Sevilla)" album

operacao ilegal
Artist with "banda" album

Operacio Triunfo
Artist with "Deporte" album

Operacion Triufo
Artist with "Operacion Triunfo Gala 14" album

Operacion Triunfo
Artist with the following albums: "Baladas", "Gala 1", "Gala 5", etc...

Artist with "" album

Operacion Triunfo '02
Artist with "" album

Operacion Triunfo - En Concierto 2002
Artist with "CD2" album

OPERACION TRIUNFO 2
Artist with "Generacion OT - Juntos" album

Operacion Triunfo 2005
Artist with "Galas 0-1" album

Operacion Triunfo II
Artist with "OT Sigles" album

Operacion Triunfo Internacional
Artist with "Operacion Triunfo Internacional" album

OPERACION TRIUNFO IV
Artist with "OPERACION TRIUNFO Galas 4-5" album

Artist with "Gala 07" album

Artist with the following albums: "Singles Gala 12 -- 28 de Enero 2002", "Operacion Triunfo I", "", etc...

Artist with "Galas 8 y 9" album

Artist with the following albums: "Generacion OT Juntos", ""

Artist with the following albums: "", "LOS SINGLES", "", etc...

Artist with "Album CD1" album

Artist with the following albums: "La mejor salsa", "Los Mejores Duets", "Los Mejores Romances", etc...

Artist with the following albums: "Gala 03", "Gala 01", "Gala 05", etc...

Artist with "FASE FINAL" album

Artist with "" album

Artist with the following albums: "Gala 11", "Gala 12"

Artist with "Galas 6-7" album

Artist with "CD Gala 03" album

Artist with "Verano 2002" album

Operaci_n Triunfo
Artist with "Singles Gala 8" album

Artist with the following albums: "Gala 3", "Gala 05", "Acreditar"

Artist with the following albums: "Singles Gala "6"", "Singles Gala "2"", "Singles Gala "8"", etc...

Operador de Cabina Polivalente
Artist with "demo" album

Operaion Triunfo
Artist with "5 Y 6" album

Operama Orchestra e Coro
Artist with "A da The opera espectacular" album

operaprima
Artist with "demo" album

Operassion
Artist with the following albums: "Bach-Passion-Piazolla", "Buenos Aires - mi amor"

Operated Imagination
Artist with "Crying For Help" album

operatic-controlling the famous
Artist with "we are bounty hunters for hire" album

Operatica
Artist with the following albums: ""O" Vol. 1", "Christmas Classics", "Shine", etc...

Operatika
Artist with the following albums: "The Calling", "Dreamworld"

Operating At A Theatre Near You Vol.1
Artist with "Clinic" album

operating strategies
Artist with the following albums: "the rainbow-coloured bride", "The Difficulty Of Being", "The Waters & The Wild"

Operating Theatre
Artist with the following albums: "Rapid Eye Movements", "The Early Years"

Operation
Artist with the following albums: "Frihet ?", "", "Frihet?"

Operation + Maintenance
Artist with "Mind Classics Vol 1" album

Operation : Mindwipe
Artist with "" album

Operation Aloha
Artist with "Operation Aloha" album

Operation Christmas Child
Artist with "The Greatest Gift" album

Operation Cleansweep
Artist with the following albums: "Powerhungry", "Anenzephalia / Inade / Operation Cleansweep"

Operation Cliff Clavin
Artist with the following albums: "Who Needs Electricity", "Last Words"

Operation Cliff Clavin & I Farm
Artist with "Split" album

Operation Counterstrike
Artist with the following albums: "Surveillance", "Composter of Death", "Botheration!"

Operation DropKick
Artist with "In 'ur Face" album

Operation Emmanuel
Artist with "Operation Emmanuel" album

Operation Ensuring Christmas VIP Kids
Artist with "A Lil' Heroes Christmas" album

operation gerard
Artist with "gerard est un punk" album

Operation Good Guys
Artist with "Complete Filth [UK]" album

Operation Hellfire
Artist with "War Commander Demo" album

Operation Ivy
Artist with the following albums: "Live at Gilman", "Unity:The Complete Collection", "East Bay EP", etc...

Operation Joy Kill
Artist with "Better Than Dead Air: The EP" album

Operation Julmond
Artist with "Twice Minded" album

Operation Lager And The I Love Busai Show
Artist with "ARRGGGGG! Slamman! Do You Like It Scallude!" album

Operation Makeout
Artist with the following albums: "(First Base)", "Operation Makeout", "Hang Loose", etc...

Operation Mastermind
Artist with "Too much is not enough" album

Operation Mind Control
Artist with the following albums: "Operation Mind Control; Funkturm", "Funkturm"

Operation Mindcrime
Artist with "Resurrection" album

Operation Phoenix
Artist with the following albums: "Operation Phoenix", "Original Phoenix"

Operation Pudel 2006
Artist with "Stellt euch Lackaffengiraffen!" album

Operation Race War
Artist with "Wewelsburg / No More Cold War (micetrap.net)" album

Operation Racewar
Artist with the following albums: "White Wash {micetrap.net} / The Texas Oi-Core Massacre", "Nothing To Believe In", "Extreme Prejudice"

Operation Rap & R'N'B
Artist with "Operation Rap & R'N'B" album

Operation Re-Information
Artist with the following albums: "ctrl", "Ultramundane O.R.I.", "Variable Dump", etc...

Operation Sand
Artist with "One Sip To Salvation" album

Operation Semtex
Artist with "Ruhrpott Romantik" album

Operation Trendkill (SR)
Artist with "Lets Paint It All Red" album

Operation Triunfo
Artist with "En Concierto" album

Artist with "" album

Operation Winter Mist
Artist with the following albums: "Winter Warfare II", "Winter Warfare", "Imperial Grand Strategy"

Operation: Cliff Clavin
Artist with the following albums: "Who needs electricity?", "Freedom Of Choice", "Out Of Control disc 1", etc...

Operation: Mindwipe
Artist with "" album

Operation:Mindcrime
Artist with "2015 - The Key" album

Operatix Feat. Enrico Caruso
Artist with "O Sole Mio - Operatic" album

Operator
Artist with the following albums: "Oh My ! [I Need Money Bad]", "Emergency", "Welcome to the Wonderful World", etc...

Operator and Limey
Artist with "100% Pure Jungle Juice" album

Operator Generator
Artist with "Polar Fleet" album

Operator Please
Artist with the following albums: "Leave It Alone", "Yes Yes Vindictive", "Just A Song About Ping Pong (CDS)", etc...

Operator X
Artist with "Digital Defamation" album

OPERATORS
Artist with the following albums: "ONE STEP-MASTERPIECE", "Limited Demo 2013"