Hazel O'Connor
Songs:
Will You
Alan O'Day
Songs:
Undercover Angel
Anita O'Day
Songs:
Peanut Vendor

The O'Jays
See also: LeVert & Gerald Levert
Songs: Forever Mine - Brandy - Darlin' Darlin' Baby (Sweet, Tender, Love) - Love Train - Cry Together
See also: LeVert & Gerald Levert
Songs: Forever Mine - Brandy - Darlin' Darlin' Baby (Sweet, Tender, Love) - Love Train - Cry Together
The O'Kaysions
Songs:
Girl Watcher
Johnny O'Keefe
Songs:
She's My Baby
Alexander O'Neal
Songs:
If You Were Here Tonight - Saturday Love (& Cherrelle) - Sunshine - Criticize - Fake
Sharon O'Neill
Songs:
Maxine
Johnny O.
Songs:
Fantasy Girl

O.A.R.
Also known as "Of a Revolution"
Songs: That Was a Crazy Game of Poker - Peace - Shattered (Turn The Car Around)
Also known as "Of a Revolution"
Songs: That Was a Crazy Game of Poker - Peace - Shattered (Turn The Car Around)
Paul Oakenfold
Songs:
Rubberneckin' Remix (& Elvis Presley) - Starry Eyed Surprise (& Shifty Shellshock)
Agnes Obel
Songs:
Riverside

Pascal Obispo
See also: Captain Samouraï Flower & Briston Maroney
Songs: Au bout de mes rêves (live TF1 2002) (& Céline Dion, Garou, Jean-Jacques Goldman & Gérald De Palmas) - Tombé pour elle (l'île aux oiseaux) - Les mots bleus (live) (& Christophe) - Mourir demain (duo) (& Natasha St-Pier) - Tu trouveras (& Natasha St-Pier)
See also: Captain Samouraï Flower & Briston Maroney
Songs: Au bout de mes rêves (live TF1 2002) (& Céline Dion, Garou, Jean-Jacques Goldman & Gérald De Palmas) - Tombé pour elle (l'île aux oiseaux) - Les mots bleus (live) (& Christophe) - Mourir demain (duo) (& Natasha St-Pier) - Tu trouveras (& Natasha St-Pier)
OBZ
Songs:
Ik ben kachel
Ocean Alley
Songs:
Confidence

Billy Ocean
Also known as Leslie Sebastian Charles
Songs: Red Light Spells Danger - Love Really Hurts Without You - Lovely Day (& YolanDa Brown & Ruti) - Get Outta My Dreams, Get into My Car - When the Going Gets Tough, the Tough Get Going
Also known as Leslie Sebastian Charles
Songs: Red Light Spells Danger - Love Really Hurts Without You - Lovely Day (& YolanDa Brown & Ruti) - Get Outta My Dreams, Get into My Car - When the Going Gets Tough, the Tough Get Going

Frank Ocean
Songs: She (& Tyler, The Creator) - Bad Religion - Pink + White - Thinkin Bout You - Pyramids
Songs: She (& Tyler, The Creator) - Bad Religion - Pink + White - Thinkin Bout You - Pyramids

Tom Odell
Songs: Another Love - Heal - Half as Good as You (& Alice Merton) - Real Love - Long Way Down
Songs: Another Love - Heal - Half as Good as You (& Alice Merton) - Real Love - Long Way Down
Bryant Oden
Songs:
The Duck Song

Ofenbach (DJs)
Songs: Hurricane (& Ella Henderson) - Shivers (& Ed Sheeran) - Overdrive (& Norma Jean Martine) - Katchi (& Nick Waterhouse) - Be Mine
Songs: Hurricane (& Ella Henderson) - Shivers (& Ed Sheeran) - Overdrive (& Norma Jean Martine) - Katchi (& Nick Waterhouse) - Be Mine
Jacques Offenbach
Songs:
La Vie parisienne : Rondo du brésilien - Les Contes d'Hoffmann : Barcarolle (Belle nuit & ô nuit d'amour)
Ofra Haza (עפרה חזה)
Songs:
Deliver Us (& Eden Riegel) - Yerushalayim shel zahav (ירושלים של זהב) - Im Nin'alu (אם ננעלו)
The Oh Hellos
Songs:
Soldier, Poet, King
Ohio Express
Songs:
Yummy Yummy Yummy
Oklahoma! (film)
Songs:
Oklahoma (Gordon MacRae, Charlotte Greenwood, James Whitmore, Shirley Jones & Jay C. Flippen)

Oklahoma! (musical)
The musical (1943)
See also:Oklahoma! (film)
Songs: I Cain't Say No - Oh What a Beautiful Morning - People Will Say We're in Love - The Surrey with the Fringe on Top - Out of my Dreams
The musical (1943)
See also:Oklahoma! (film)
Songs: I Cain't Say No - Oh What a Beautiful Morning - People Will Say We're in Love - The Surrey with the Fringe on Top - Out of my Dreams
Ol' Dirty Bastard
Songs:
Shimmy Shimmy Ya - Got Your Money (& Kelis) - Bitches (& Insane Clown Posse & The Jerky Boys) - Fantasy (Bad Boy remix) (& Mariah Carey)
Oldelaf
Songs:
Et si on chantait (& Monsieur D.) - La tristitude - Le café (& Monsieur D.) - C'est Michel

Mike Oldfield
See also: Sally Oldfield
Songs: Moonlight Shadow (& Maggie Reilly) - Nuclear (feat. Luke Spiller) - Shadow on the Wall (& Roger Chapman) - Sailing (& Luke Spiller) - To France (& Maggie Reilly)
See also: Sally Oldfield
Songs: Moonlight Shadow (& Maggie Reilly) - Nuclear (feat. Luke Spiller) - Shadow on the Wall (& Roger Chapman) - Sailing (& Luke Spiller) - To France (& Maggie Reilly)
Oleander
Songs:
Why I'm Here
Olive
Songs:
You're Not Alone

Oliver & Company
Music from the Motion Picture (1988)
Songs: Why Should I Worry? (Billy Joel) - Perfect Isn't Easy (Bette Midler) - Mais pourquoi m'en faire ?
Music from the Motion Picture (1988)
Songs: Why Should I Worry? (Billy Joel) - Perfect Isn't Easy (Bette Midler) - Mais pourquoi m'en faire ?

Oliver! (musical)
Musicals & Broadway 1960
Songs: Oom Pah Pah - Food, Glorious Food - Consider Yourself (London Cast) - Who Will Buy? - I'd Do Anything
Musicals & Broadway 1960
Songs: Oom Pah Pah - Food, Glorious Food - Consider Yourself (London Cast) - Who Will Buy? - I'd Do Anything

Olly
Also known as Federico Olivieri
Songs: Balorda nostalgia - Per due come noi (& Angelina Mango & JVLI)
Also known as Federico Olivieri
Songs: Balorda nostalgia - Per due come noi (& Angelina Mango & JVLI)

Olly Murs
Oliver "Olly" Stanley Murs
Songs: Dance with Me Tonight - Troublemaker (& Flo Rida) - I Wan'na Be Like You (& Robbie Williams) - Wrapped Up (& Travie McCoy) - Dear Darlin'
Oliver "Olly" Stanley Murs
Songs: Dance with Me Tonight - Troublemaker (& Flo Rida) - I Wan'na Be Like You (& Robbie Williams) - Wrapped Up (& Travie McCoy) - Dear Darlin'
Koffi Olomidé
Songs:
Loi
Olympe
Songs:
La quête - Hakuna Matata (We Love Disney) - Non, je ne regrette rien - Zombie - Born To Die
Omar
Songs:
There's Nothing Like This

Don Omar
Songs: Danza kuduro (& Lucenzo) - Dile - Dale don dale (& Glory) - Salió El Sol - Pobre diabla
Songs: Danza kuduro (& Lucenzo) - Dile - Dale don dale (& Glory) - Salió El Sol - Pobre diabla
Omarion
Songs:
Post to Be (& Chris Brown & Jhené Aiko) - Ice Box - Entourage - Let Me Hold You (& Lil' Bow Wow) - O
OMC
Songs:
How Bizarre
Omega (band)
Songs:
Gyöngyhajú lány

OMI
Songs: Cheerleader - Cheerleader (Felix Jaehn Remix) - Hula Hoop - Jambo (& Giusy Ferreri & Takagi & Ketra)
Songs: Cheerleader - Cheerleader (Felix Jaehn Remix) - Hula Hoop - Jambo (& Giusy Ferreri & Takagi & Ketra)
Once on This Island (musical)
Songs:
Waiting for Life (Hailey Kilgore)

One Ok Rock (ワンオクロック)
Songs: The Beginning (Rurouni Kenshin (るろうに剣心 )) - We Are - Stand Out Fit In - Kanzen Kankaku Dreamer (完全感覚 Dreamer) - Clock Strikes
Songs: The Beginning (Rurouni Kenshin (るろうに剣心 )) - We Are - Stand Out Fit In - Kanzen Kankaku Dreamer (完全感覚 Dreamer) - Clock Strikes

One Piece (ワンピース)
Songs: Binks' Sake - We Are! (ウィーアー!) (Hiroshi Kitadani) - New Genesis (新時代) (Ado (アド)) - My Sails Are Set - How You Remind Me (Avril Lavigne)
Songs: Binks' Sake - We Are! (ウィーアー!) (Hiroshi Kitadani) - New Genesis (新時代) (Ado (アド)) - My Sails Are Set - How You Remind Me (Avril Lavigne)
One-T
Songs:
The Magic Key (& Cool-T)

OneRepublic
Songs: Counting Stars - I Don't Wanna Wait (& David Guetta) - Apologize (& Timbaland) - I Ain't Worried (Top Gun: Maverick) - Nobody (Kaiju No. 8 (怪獣8号))
Songs: Counting Stars - I Don't Wanna Wait (& David Guetta) - Apologize (& Timbaland) - I Ain't Worried (Top Gun: Maverick) - Nobody (Kaiju No. 8 (怪獣8号))
Ontuak
Songs:
Les fêtes de Mauléon
Oomph!
Songs:
Augen Auf!

Trijntje Oosterhuis
See also: Total Touch & Ladies Of Soul
Songs: Wereld zonder jou (& Marco Borsato) - That's What Friends Are For - De zee - Kleine Jongen (live) - For Once in My Life (live)
See also: Total Touch & Ladies Of Soul
Songs: Wereld zonder jou (& Marco Borsato) - That's What Friends Are For - De zee - Kleine Jongen (live) - For Once in My Life (live)
Opus
Songs:
Live Is Life

Rita Ora
Songs: Anywhere - Black Widow (& Iggy Azalea) - Let You Love Me - For You (& Liam Payne) - I Will Never Let You Down
Songs: Anywhere - Black Widow (& Iggy Azalea) - Let You Love Me - For You (& Liam Payne) - I Will Never Let You Down
Oran Juice Jones
Songs:
The Rain

Roy Orbison
See also: Traveling Wilburys
Songs: Oh, Pretty Woman - Evergreen - You Got It - Crying - Love Hurts
See also: Traveling Wilburys
Songs: Oh, Pretty Woman - Evergreen - You Got It - Crying - Love Hurts
Orchestra Bagutti
Songs:
Mille ricordi

Orchestral Manoeuvres in the Dark
OMD
Songs: Enola Gay - Souvenir - If You Leave (Pretty in Pink) - So in Love - Electricity
OMD
Songs: Enola Gay - Souvenir - If You Leave (Pretty in Pink) - So in Love - Electricity
Natalia Oreiro
Songs:
Cambio dolor
Orianthi
Songs:
According to You
Benjamin Orr
Songs:
Stay the Night
Osborne Brothers
Songs:
Rocky Top

Jeffrey Osborne
See also: L.T.D.
Songs: You Should Be Mine (The Woo Woo Song) - On the Wings of Love - Only Human - Stay With Me Tonight - Stranger (& L.T.D.)
See also: L.T.D.
Songs: You Should Be Mine (The Woo Woo Song) - On the Wings of Love - Only Human - Stay With Me Tonight - Stranger (& L.T.D.)

Ozzy Osbourne
See also: Black Sabbath & Kelly Osbourne
Songs: Mama, I'm Coming Home - See You on the Other Side - Crazy Train - Road to Nowhere - Patient Number 9 (& Jeff Beck)
See also: Black Sabbath & Kelly Osbourne
Songs: Mama, I'm Coming Home - See You on the Other Side - Crazy Train - Road to Nowhere - Patient Number 9 (& Jeff Beck)
Osibisa
Songs:
Sunshine Day

Otis Day and the Knights
Musical film National Lampoon's Animal House
Songs: Shout - Shama Lama Ding Dong
Musical film National Lampoon's Animal House
Songs: Shout - Shama Lama Ding Dong

Ottawan
Songs: Hands Up (Give Me Your Heart) - D.I.S.C.O (English version) - T'es OK - D.I.S.C.O (version française) - Haut les mains (Donne-moi ton cœur)
Songs: Hands Up (Give Me Your Heart) - D.I.S.C.O (English version) - T'es OK - D.I.S.C.O (version française) - Haut les mains (Donne-moi ton cœur)
Otto Knows
Songs:
Million Voices

OutKast
Songs: Rosa Parks - Int'l Players Anthem (I Choose You) (& UGK) - Ms. Jackson - Hey Ya! (Radio Mix - Club Mix) - B.O.B. (Bombs Over Baghdad)
Songs: Rosa Parks - Int'l Players Anthem (I Choose You) (& UGK) - Ms. Jackson - Hey Ya! (Radio Mix - Club Mix) - B.O.B. (Bombs Over Baghdad)
Outlandish
Songs:
Aïcha
Outlaws (US)
Songs:
Green Grass and High Tides (Short version) - Ghost Riders in the Sky - There Goes Another Love Song
The Outsiders (musical)
Songs:
Stay Gold (Sky Lakota-Lynch & Brody Grant)
OV7
Songs:
Te quiero tanto, tanto - Enloquéceme (Lidia Ávila, Kalimba Marichal & Oscar Schwebel) - Shabadaba
Over the Moon
Songs:
Ultraluminary (Phillipa Soo) - Rocket to the Moon - Rocket to the Moon (Reprise)
Chord Overstreet
Songs:
Hold On
Jason Owen
Songs:
The Power of Love

Buck Owens
Buck Owens & His Buckaroos
Songs: Love's Gonna Live Here - Foolin' Around - Pfft You Were Gone (Hee Haw Theme) - Streets of Bakersfield (& Dwight Yoakam) - I've Got A Tiger By The Tail
Buck Owens & His Buckaroos
Songs: Love's Gonna Live Here - Foolin' Around - Pfft You Were Gone (Hee Haw Theme) - Streets of Bakersfield (& Dwight Yoakam) - I've Got A Tiger By The Tail

Owl City
Adam Young
Songs: Fireflies - When Can I See You Again - Good Time (& Carly Rae Jepsen) - Shine Your Way (& Young & Yuna) - Deer In The Headlights
Adam Young
Songs: Fireflies - When Can I See You Again - Good Time (& Carly Rae Jepsen) - Shine Your Way (& Young & Yuna) - Deer In The Headlights
Oxlade
Songs:
Ku Lo Sa (a Colors Show)
John Ozila
Songs:
Medley tropical

Ozuna
Songs: Taki Taki (& DJ Snake, Selena Gomez & Cardi B) - Mamacita (& Black Eyed Peas & J Rey Soul) - Arhbo (& Gims & RedOne) - Se preparó - Te boté (Remix)
Songs: Taki Taki (& DJ Snake, Selena Gomez & Cardi B) - Mamacita (& Black Eyed Peas & J Rey Soul) - Arhbo (& Gims & RedOne) - Se preparó - Te boté (Remix)