Karl Johan Schuster (Swedish pronunciation: [ˈjûːan ˈɧʏ̌sːtɛr]; born 1 February 1985), known professionally as Shellback, is a Swedish record producer and songwriter.

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Aug 13, 2025 · Music producer Shellback is making headlines after Taylor Swift revealed that she collaborated with him on her upcoming album The Life of A Showgirl.

A Trusty Shellback is someone who has good experience on the sea and has crossed the Equator. A Golden Shellback is bestowed on a mariner who has not only crossed the Equator …

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Shellback, whose real name is Karl Johan Schuster, is a Swedish producer, songwriter, and four-time Grammy Award winner. Before jumping into pop music production, he had a career as a …

Aug 14, 2025 · Born in the quiet coastal town of Karlshamn, Sweden, on February 1, 1985, he has co-crafted some of the biggest chart-toppers of the past two decades, working alongside …

Karl “Shellback” Schuster, known mononymously as Shellback, is a Swedish music producer, songwriter, and musician who has left a significant mark on the global music scene.

Aug 14, 2025 · Taylor Swift’s upcoming album The Life of a Showgirl, out October 3, marks a big reunion with Swedish producer Shellback, alongside his longtime collaborator Max Martin. The …