Shellback

Johan Karl Schuster ya da bilinen adıyla Shellback İsveçli söz yazarı, müzik prodüktörü ve müzisyen. Genellikle Max Martin ile çalışır, birlikte yaptıkları "So What", "Raise Your Glass", "Whataya Want from Me", "Fuckin' Perfect", "If U Seek Amy", "3", "I Wanna Go" ve "DJ Got Us Fallin' in Love" gibi parçaların hepsi ABD Billboard Hot 100 listesinde ilk yirmi içerisinde yer almıştır.

Şarkı	Yıl	Albüm	Söz yazarı	Prodüktör
"If U Seek Amy"	2008	Britney Spears – Circus	Y
"I'm Gone I'm Going"		Lesley Roy – Unbeautiful	Y
"Boring"		Pink – Funhouse	Y
"It's All Your Fault"			Y
"So What"			Y
"Oxygen"	2009	Living Things – Habeas Corpus	Y	Y
"Bigger"		Backstreet Boys – This Is Us	Y	Y
"3"		Britney Spears – The Singles Collection	Y	Y
"Quitter"		Carrie Underwood – Play On	Y	Y
"Friday I'll Be Over U"		Allison Iraheta – Just Like You	Y	Y
"Just Like You"			Y	Y
"Outta My Head"		Leona Lewis – Echo	Y	Y
"Naked"				Y
"Whataya Want from Me"		Adam Lambert – For Your Entertainment	Y	Y
"If I Had You"			Y	Y
"Kiss n Tell"	2010	Kesha – Animal	Y
"Hungover"			Y
"Party at a Rich Dude's House"			Y	Y
"Dinosaur"			Y	Y
"DJ Got Us Fallin' in Love"		Usher – Versus	Y	Y
"Raise Your Glass"		Pink – Greatest Hits... So Far!!!	Y	Y
"Fuckin' Perfect"			Y	Y
"Time Machine"		Robyn – Body Talk	Y	Y
"Can't Find Entrance"	2011	Those Dancing Days – Daydreams & Nightmares	Y	Y
"Loser Like Me"		Glee cast – Glee: The Music, Volume 5	Y	Y
"Dancing Crazy"		Miranda Cosgrove – High Maintenance	Y	Y
"I'll Survive You"		BC Jean	Y	Y
"Back 2 Life"		E-Type	Y	Y
"What the Hell"		Avril Lavigne – Goodbye Lullaby	Y	Y
"Wish You Were Here"			Y	Y
"Smile"			Y	Y
"I Love You"			Y	Y
"I Wanna Go"		Britney Spears – Femme Fatale	Y	Y
"Criminal"			Y	Y
"Up n' Down"			Y	Y
"Light Up the World"		Glee cast – Glee: The Music, Volume 6	Y	Y
"Moves Like Jagger"		Maroon 5 - Hands All Over	Y	Y
"Beggin' on Your Knees"		Victorious cast – Victorious	Y	Y
"No More Secrets"		Carolina Liar – Wild Blessed Freedom	Y	Y
"Me and You"			Y	Y
"Beautiful People"				Y
"King Of Broken Hearts"				Y
"Salvation"			Y	Y
"All That Comes Out of My Mouth"			Y	Y
"Want U Back"		Cher Lloyd – Sticks + Stones	Y	Y
"With Ur Love"			Y	Y
"Beautiful People"				Y
"She Doesn't Mind"		Sean Paul – Tomahawk Technique	Y	Y
"Payphone"	2012	Maroon 5 – Overexposed	Y	Y
"One More Night"			Y	Y
"Doin' Dirt"			Y	Y
"Scream"		Usher – Looking for Myself	Y	Y
"I'm In Love"		Ola Svensson – Single	Y
"We Are Never Ever Getting Back Together"		Taylor Swift – Red	Y	Y
"I Knew You Were Trouble"			Y	Y
"Slut Like You"		P!nk – The Truth About Love	Y	Y
"Your Body"		Christina Aguilera – Lotus	Y	Y
"Kiss You"		One Direction – Take Me Home	Y	Y
"Heart Attack"			Y	Y
"Nobody Compares"			Y	Y
"Still the One"			Y	Y

Billboard Hot 100 listesinde ilk ona giren şarkıları:

Bir numara olanlar

• "So What"
• "3"
• "Raise Your Glass"
• "Moves Like Jagger"
• "We Are Never Ever Getting Back Together"
• "One More Night"

İlk ona girenler

• "Whataya Want From Me"
• "DJ Got Us Fallin' In Love"
• "Fuckin' Perfect"
• "Loser Like Me"
• "I Wanna Go"
• "Payphone"
• "Scream"

• Shellback at Maratone.se