Feb 23, 2025 · The U.S. Navy’s Crossing the Line or Shellback ceremony is an old tradition that marks a sailor’s first equator crossing, transforming them into a Shellback.

Shellback, whose real name is Karl Johan Schuster, is a Swedish producer, songwriter, and four-time Grammy Award winner.

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Aug 14, 2025 · Discover Shellback's biography, from early life in Sweden to net worth of $20-30M, career hits with Taylor Swift, family details, and relationships in this detailed 2025 profile

Shellback: The Swedish Hitmaker Behind Global Pop Phenomena Karl "Shellback" Schuster, known mononymously as Shellback, is a Swedish music producer, songwriter, and musician …

Jan 29, 2025 · Discover the history and details of the Navy's legendary Shellback tradition and the Crossing the Line ceremony. Learn what makes this ritual so meaningful.

Dec 15, 2023 · The Navy has plenty of interesting and unique milestones, including these unofficial Navy 'certificates' for the seasoned sailor.

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 …

Aug 14, 2025 · Shellback is known to be one of the most influential music producers in urban pop history. He was born as Karl Johan Schuster in Sweden. He is known for shaping the sound of …