That's When

"That's When"^[a] is a song by Taylor Swift featuring Keith Urban. Swift wrote the track with the Warren Brothers when she was 14 and intended to include it on her second studio album, Fearless (2008), but left it out of the track list. She and Jack Antonoff produced "That's When" for the Fearless's 2021 re-recording, Fearless (Taylor's Version).

"That's When" is a country pop song about the aftermath of a broken relationship: Swift's and Urban's characters contemplate on how to reunite with one another. Music critics generally complimented the production and Urban's guest appearance. The song reached number 30 on Billboard's Hot Country Songs and charted in Australia and Canada.
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