Keep scrolling for five things to know about Shellback: What Is Shellback’s History With Swift? Born Karl Johan Schuster in Sweden, Shellback was a heavy metal guitarist before pivoting to pop music ...

If you’re a Taylor Swift fan, chances are you’re familiar with the name Shellback. But if you’re not, or you just enjoy her music without taking a deep dive into who produces it, you might not be.

The pop star and the Swedish producer connected on her 2012 LP, “Red.” They’ve reunited (with his collaborator Shellback) for “The Life of a Showgirl.” By Brian Raftery In August, a billboard in Times ...