Shellback

Karl Johan Schuster, conhecido também como Shellback (Karlshamn, 1 de fevereiro de 1985), é um compositor, produtor musical e músico sueco. Já compôs canções para Britney Spears, Kesha, Usher, Adam Lambert, Maroon 5, Cher Lloyd, Taylor Swift, Avril Lavigne, Adele, Victoria Justice, entre outros.^[1]

Shellback em 2015.

Discografia

Com Meriah

• ...Turn Him Your Other Cheek (Demo) (2003)

Com

Blinded Colony

• Promo Demo (2005)
• Bedtime Prayers (2006)

Como músico convidado

• Faith - Sorg (2005)
• Refused - War Music (2019)

Discografia (produção)

Ano	Título	Álbum	Co-escritor	Produtor ou co-produtor
2008	"If U Seek Amy"	Britney Spears – Circus	Sim	Sim
	"I'm Gone I'm Going"	Lesley Roy – Unbeautiful	Sim	Sim
	"Boring"	Pink – Funhouse	Sim	Sim
	"It's All Your Fault"		Sim	Sim
	"So What"		Sim	Sim
2009	"Oxygen"	Living Things – Habeas Corpus	Sim	Sim
	"Bigger"	Backstreet Boys – This Is Us	Sim	Sim
	"3"	Britney Spears – The Singles Collection	Sim	Sim
	"Quitter"	Carrie Underwood – Play On	Sim	Sim
	"Friday I'll Be Over U"	Allison Iraheta – Just Like You	Sim	Sim
	"Just Like You"		Sim	Sim
	"Outta My Head"	Leona Lewis – Echo	Sim	Sim
	"Naked"		Sim	Sim
	"Whataya Want from Me"	Adam Lambert – For Your Entertainment	Sim	Sim
	"If I Had You"		Sim	Sim
2010	"Kiss n Tell"	Kesha – Animal	Sim	Sim
	"Hungover"		Sim	Sim
	"Party at a Rich Dude's House"		Sim	Sim
	"Dinosaur"		Sim	Sim
	"DJ Got Us Fallin' in Love"	Usher – Versus	Sim	Sim
	"Raise Your Glass"	Pink – Greatest Hits... So Far!!!	Sim	Sim
	"Fuckin' Perfect"		Sim	Sim
	"Time Machine"	Robyn – Body Talk	Sim	Sim
2011	"Can't Find Entrance"	Those Dancing Days – Daydreams & Nightmares	Sim	Sim
	"Loser like Me"	Glee cast – Glee: The Music, Volume 5	Sim	Sim
	"Dancing Crazy"	Miranda Cosgrove – High Maintenance	Sim	Sim
	"I'll Survive You"	BC Jean – Single	Sim	Sim
	"Back 2 Life"	E-Type – Single	Sim	Sim
	"What the Hell"	Avril Lavigne – Goodbye Lullaby	Sim	Sim
	"Wish You Were Here"		Sim	Sim
	"Smile"		Sim	Sim
	"I Love You"		Sim	Sim
	"I Wanna Go"	Britney Spears – Femme Fatale	Sim	Sim
	"Criminal"		Sim	Sim
	"Up n' Down"		Sim	Sim
	"Light Up the World"	Glee cast – Glee: The Music, Volume 6	Sim	Sim
	"Moves like Jagger"	Maroon 5 – Hands All Over	Sim	Sim
	"Beggin' on Your Knees"	Victorious cast – Victorious	Sim	Sim
	"No More Secrets"	Carolina Liar – Wild Blessed Freedom	Sim	Sim
	"Me and You"		Sim	Sim
	"Beautiful People"		Sim	Sim
	"King of Broken Hearts"		Sim	Sim
	"Salvation"		Sim	Sim
	"All That Comes Out of My Mouth"		Sim	Sim
	"Want U Back"	Cher Lloyd – Sticks + Stones	Sim	Sim
	"With Ur Love"		Sim	Sim
	"Beautiful People"		Sim	Sim
	"She Doesn't Mind"	Sean Paul – Tomahawk Technique	Sim	Sim
2012	"Payphone" (feat. Wiz Khalifa)	Maroon 5 – Overexposed	Sim	Sim
	"One More Night"		Sim	Sim
	"Doin' Dirt"		Sim	Sim
	"Scream"	Usher – Looking for Myself	Sim	Sim
	"We Are Never Ever Getting Back Together"	Taylor Swift – Red	Sim	Sim
	"I Knew You Were Trouble"		Sim	Sim
	"22"		Sim	Sim
	"Slut Like You"	P!nk – The Truth About Love	Sim	Sim
	"Your Body"	Christina Aguilera – Lotus	Sim	Sim
	"Let There Be Love"		Sim	Sim
	"Kiss You"	One Direction – Take Me Home	Sim	Sim
	"Heart Attack"		Sim	Sim
	"Nobody Compares"		Sim	Sim
	"All That Matters (The Beautiful Life)"	Kesha – Warrior	Sim	Sim
2013	"Release You"	Megan & Liz – Look What You Started	Sim	Sim
	"Easier To Lie"	Cassadee Pope – Frame by Frame	Sim	Sim
	"On a Roll"	Icona Pop – This Is... Icona Pop	Sim	Sim
	"That High" (feat. Kelly Rowland)	Pitbull – Meltdown	Sim
2014	"Air Balloon"	Lily Allen – Sheezus	Sim	Sim
	"I Wish" (feat. T.I.)	Cher Lloyd – Sorry I'm Late	Sim	Sim
	"Just Be Mine"		Sim	Sim
	"Dirty Love"		Sim	Sim
	"Blind Your Love"		Sim	Sim
	"Killing It"		Sim	Sim
	"I'm in Love"	Ola Svensson – Carelessly Yours	Sim	Sim
	"Tonight I'm Yours"		Sim	Sim
	"Jackie Kennedy"		Sim	Sim
	"Problem" (feat. Iggy Azalea)	Ariana Grande - My Everything	Sim	Sim
	"Animals"	Maroon 5 – V	Sim	Sim
	"In Your Pocket"		Sim	Sim
	"Feelings"		Sim	Sim
	"Shoot Love"		Sim	Sim
	"Blank Space"	Taylor Swift - 1989	Sim	Sim
	"Style"		Sim	Sim
	"All You Had to Do Was Stay"			Sim
	"Shake It Off"		Sim	Sim
	"Bad Blood"		Sim	Sim
	"Wildest Dreams"		Sim	Sim
	"How You Get the Girl"		Sim	Sim
	"Wonderland"		Sim	Sim
	"New Romantics"		Sim	Sim
	"Talking Body"	Tove Lo - Queen of the Clouds	Sim	Sim
2015	"Bad Blood" (feat. Kendrick Lamar)	Taylor Swift – 1989	Sim	Sim
	"Elektra"	Refused - Freedom	Sim	Sim
	"366"		Sim	Sim
	"This Summer's Gonna Hurt like a MotherFucker"	Maroon 5 - V (reissue)	Sim	Sim
	"The Original High"	Adam Lambert - The Original High	Sim	Sim
	"Rumors" (feat. Tove Lo)		Sim	Sim
	"Evil in the Night"		Sim	Sim
	"Run Away with Me"	Carly Rae Jepsen - Emotion	Sim	Sim
	"Send My Love (To Your New Lover)"	Adele - 25	Sim	Sim
	"Rest Your Love"	The Vamps - Wake Up	Sim	Sim
2016	"Just Like Fire"	Pink – Alice Through the Looking Glass	Sim	Sim
	"Can't Stop the Feeling!"	Justin Timberlake - Trolls: Original Motion Picture Soundtrack	Sim	Sim
	"Hair Up"		Sim	Sim
	"Still Falling For You"	Ellie Goulding - Bridget Jones's Baby	Sim	Sim
2017	"Bon Appétit" (feat. Migos)	Katy Perry – Witness	Sim	Sim
	"Roulette"		Sim	Sim
	"Revenge" (feat. Eminem)	Pink - Beautiful Trauma	Sim	Sim
	"Whatever You Want"		Sim	Sim
	"Secrets"		Sim	Sim
	"...Ready for It?"	Taylor Swift - Reputation	Sim	Sim
	"Gorgeous"		Sim	Sim
	"End Game" (feat. Ed Sheeran & Future)		Sim	Sim
	"I Did Something Bad"		Sim	Sim
	"Don't Blame Me"		Sim	Sim
	"Delicate"		Sim	Sim
	"So It Goes..."		Sim	Sim
	"King of My Heart"		Sim	Sim
	"Dancing with Our Hands Tied"		Sim	Sim
2018	"Get Up and Fight"	Muse – Simulation Theory	Sim	Sim
2019	"I Don't Care" (with Justin Bieber)	Ed Sheeran – No.6 Collaborations Project	Sim	Sim
	''Beautiful People'' (feat. Khalid)		Sim	Sim
	''Take Me Back to London'' (feat. Stormzy)		Sim
	''Remember the Name'' (feat. Eminem and 50 Cent)		Sim	Sim
	''Only Human''	Jonas Brothers – Happiness Begins	Sim	Sim
	"(Hey Why) Miss You Sometime"	P!nk – Hurts 2B Human	Sim	Sim
	''Glad He's Gone''	Tove Lo – Sunshine Kitty	Sim	Sim
2020	''X''	Jonas Brothers – XV	Sim	Sim
	"Diamonds"	Sam Smith – Love Goes	Sim	Sim

Billboard Hot 100

Os singles a seguir chegaram ao top ten na Billboard Hot 100.

Singles em primeiro lugar

• "So What"
• "3"
• "Raise Your Glass"
• "Moves like Jagger"
• "We Are Never Ever Getting Back Together"
• "One More Night"
• "Shake It Off"
• "Blank Space"
• "Bad Blood"
• "Can't Stop the Feeling!"

Top 10 Hits

• "Whataya Want from Me"
• "DJ Got Us Fallin' in Love"
• "Fuckin' Perfect"
• "Loser Like Me"
• "I Wanna Go"
• "Payphone"
• "Scream"
• "I Knew You Were Trouble"
• "Problem"
• "Animals"
• "Style"
• "Wildest Dreams"
• "Just like Fire"
• "Send My Love (To Your New Lover)"
• ''...Ready for It?''

Notas e referências

1. «Shellback». allmusic.com (em inglês). Rovi Corporation. Consultado em 19 de dezembro de 2010

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