Add Yahoo as a preferred source to see more of our stories on Google. Born Karl Johan Schuster in Sweden, Shellback was a heavy metal guitarist before pivoting to pop music production and songwriting.

Karl Johan Schuster, also known as Shellback, was born in the south of Sweden along the Baltic Sea. The now-40-year-old got into music as a drummer for local indie rock bands — he told Swedish ...

Swifties knew they were in trouble when Max Martin and Shellback walked in as producers on The Life of a Showgirl. The Swedish musicians teamed up with Taylor Swift as the sole collaborators on her ...

Longtime collaborators Max Martin and Shellback played key roles in the album's creation. Pop star Sabrina Carpenter lends guest vocals to the closing track. Taylor Swift commands the spotlight, but ...

On Nov. 19, Adele released her fourth studio album, 30. With the album, Adele mainly sings about her divorce from her ex-husband Simon Konecki, and she also shares some of her experience with ...