“Jack Antonoff just posted this picture of him, Taylor Swift and Sounwave in the studio on December 2023,” the Taylor Swift Charts fan account posted on X (formerly Twitter). “Sounwave did not work on The Tortured Poets Department [eyeball emoji].”

Jack Antonoff has just sent Swifties into freakout mode on social media after he posted an Instagram carousel that seems to hint at new Taylor Swift music. 11 time Grammy winner Jack Antonoff has become not only Taylor Swift’s main producer,

Jack Antonoff has Swifties spiraling after sharing a previously unseen photo of Taylor Swift in the studio last year. Antonoff, 40, included the pic in a slideshow of behind-the-scenes moments from New York City's Electric Lady Studios.

On Tuesday, September 18, Swift's longtime friend and producer, Jack Antonoff posted an Instagram tribute to Electric Lady Studios — the famed New York City recording studio where the pair have crafted some of Swift's biggest hits. Antonoff, 40, captioned the post with a heartfelt tribute to the studio and the music he's created there.

"Swifties everywhere are sharing their theories after Taylor Swift's close friend and frequent collaborator, Jack Antonoff, shared a photo from December 2023 of the singer in the studio with producer Sounwave, whose real name is Mark Anthony Spears.