Pete Townshend says the track “is dedicated to every artist who has ever been accused of ripping off someone else’s song."
The album has been fetching dizzying prices and will be available on vinyl along with the rest of Flynn's catalogue.
Both albums have received gold certifications and 'Hot In The Shade' features the classic power ballad, 'Forever'.
The releases further acknowledge Caravan's importance in developing the progressive and experimental style that became known as the Canterbury Sound.
The set is due for release on 11 October by Hollywood Records in North America and Mercury Records in the rest of the world.
For the film, the legendary soprano is accompanied by her band, the Bavarian Philharmonic orchestra, a 50-voice choir and the Ludwig Ensemble of dancers.
The new, double disc vinyl will come in a double gatefold sleeve with a wide-spine and new artwork on the two printed inner sleeves.
Selling over 60 million records worldwide, the Jim Kerr-fronted band have had number one singles on both sides of the Atlantic, and chart-topping albums the world over,
The band are supporting the release with a North American tour, and a second run of dates in early 2020.
The 20-track collection is now available for the first time in black and limited edition red vinyl versions.
The album debuted at No. 1 on the Billboard 200 on its initial release and remains Nirvana's most successful posthumous release.
With over 600,000 tickets sold, Take That’s Greatest Hits Live trek was one of the biggest tours of 2018.
The collection features the band's entire recorded output, with a bonus disc, 'Flexible Strategies', containing exclusive bonus material of non-album recordings and B-sides.
The three-disc 20th anniversary edition of The Roots’ classic comes with 10 bonus tracks.
The record will be available with original artwork - a printed inner sleeve with lyrics and credits - and it has been remastered at Abbey Road.
