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.

Max Martin might just be the world’s most successful songwriter of the 21st century. And like his protégé, Shellback, he began his career in a heavy metal band before transitioning to pop music. While ...

Taylor Swift has hinted that producers Max Martin and Shellback have worked on her upcoming album, The Life of a Showgirl. The title of the Blank Space singer’s album was revealed by boyfriend Travis ...