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.

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 ...

Taylor Swift created 'The Life of a Showgirl' with the help of heavy-hitting producers Max Martin and Shellback, as well as a massive roster of engineers and musicians. See the album's full credits.

In 1811, a number of Swedish cultural luminaries formed a literary social club called the Geatish Society and began producing a magazine called Iduna, which published poetry, literature, and ...