Swift's top-secret performance, which was filmed last month in Nashville during the CMA Music Festival, will air Sept. 1 at 8 p.m. on the ABC Television Network.
Tim McGraw is set to host the show, which will also feature performances by country's hottest stars, including Carrie Underwood, Keith Urban, Miranda Lambert, Rascall Flatts, Brad Paisley, Reba McEntire and more.
Also in store for the special: A collaborative performance with Dierks Bentley, Jamey Johnson and Lambert, and a behind-the-scenes glimpse at Lady Antebellum, who allowed cameras to follow them for a day at the June music festival.
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