Shellback
Swedish record producer and songwriter (Karl Johan Schuster), a frequent Max Martin collaborator with four Grammy Awards.
- Credits
- 3
- Views across credits
- 616.7K
- Active since
- 2025
Johan Schuster · CC BY-SA 4.0
- Nature
- Human
- Department
- Writing
- Based in
- Sweden
- Active since
- 2025
- 3 credits
Biography
Karl Johan Schuster (born 1 February 1985), known professionally as Shellback, is a Swedish record producer and songwriter. He started as a heavy metal guitarist before moving into pop production and songwriting.
Billboard listed him as the number one producer of 2012 on its year-end chart, and he topped its Top 10 Songwriters Airplay Chart the same year. He has won four Grammy Awards.
He regularly works with songwriter Max Martin, and together they have produced, written or co-written songs for P!nk, Taylor Swift, Adam Lambert, Britney Spears, Usher, Avril Lavigne, Ariana Grande, Adele and Maroon 5. He has also worked with Benny Blanco and produced on his own, including "Want U Back" by Cher Lloyd and "Scream" by Usher.
With Martin and Justin Timberlake he co-wrote and co-produced "Can't Stop the Feeling!" for the animated film Trolls (2016), which earned an Academy Award nomination for Best Original Song in 2017.
