Swift teased the release of the song, which she co-produced with Grammy Award-winning Jack Antonoff, during her speech at the Teen Choice Awards.
The track was recorded in 1973 and will feature on the 3CD + DVD package, to be released on 11 October.
The release comes as Seger and the Silver Bullet Band continue their 'Roll Me Away: The Final Tour 2018-19.'
The track features vocals on the choruses by Glen Hansard, and the positive lyric makes reference to John Lennon.
The remastered digital version of the influential 'Mezzanine' is also available next Friday, 23 August on 2CD and digital.
Elliott says, "I’m extremely proud of what we’ve achieved with this album", the follow up to 2014's 'The Further Adventures Of...'
The album was nominated for a Grammy Award as Best Rock Album, and for Sweden’s Grammis Award as Best Rock/Metal Record of the Year.
UK soul singer Michael Kiwanuka announces his third album, ‘KIWANUKA’, set for release on 25 October and featuring the new single, ‘You Ain’t The Problem’.
Originally released in 1999, the album debuted at Number One on the Billboard 200 and moved over 20 million copies worldwide.
The 12-track collection will be available in both black and gold vinyl options.
The first single from the set, 'Just One Of Those Things,' is now available.
The new release also includes 'Time Won't Go Slowly' and new versions of ‘Open Your Eyes’ & ‘Chocolate’.
Directed by Tim Pope, the film includes the alt-rock legends' landmark, 40th anniversary Meltdown and Hyde Park concerts from 2018.
Coinciding with their 50th anniversary, it's curated by former member Steve Hillage and has the full involvement of original band members.
Frontman Guy Garvey describes the record as “an angry, old blue lament which finds its salvation in family, friends, the band and new life.”
