Nils Sjöberg is a pseudonym Taylor Swift has previously used Calvin Harris’ song “This Is What You Came For.”
Taylor Swift’s above tweet quickly went viral, and the fans quickly began digging into any information regarding Jack Leopards & The Dolphin Club.
What’s more the name Nils Sjöberg is seemingly credited as a producer on the track’s YouTube video.
At the time of writing, the “Look What You Made Me Do” cover that appeared on Killing Eve is the only track that’s been released by the mysterious group.