The superstar extends her record as the only artist to top the country album chart with all nine of her studio releases to date.
The seven-time Grammy winner will perform songs from the album at the free event, with donations to Save The Children.
The dates will run from December 13 to 22, 2021 and opening artists will be announced at a later date.
PNC Plaza will be on the Fourth Avenue North side of the Ryman building.
Available exclusively on Loma Vista via Bandcamp, its sales will benefit the MusiCares COVID-19 Relief Fund.
The surprise news was presented to Watson during a performance at the Opry, which he first played in the mid-1960s.
Running from 3 September to 31 October, it will feature two dozen of the country superstar's wardrobe items, worn on the Opry and at the Ryman Auditorium.
The news comes after his performance on the American Idol season finale with winner Laine Hardy.
The video was co-directed by the band's Cameron Duddy, an MTV Video Music Award winner for his work with Bruno Mars.
The vastly experienced guitarist, who played on classic country hits such as 'Stand By Your Man' and 'The Gambler,' tells his own story.
The clip contains images from dozens of his live performances, many at overseas bases that he has visited on his 11 USO Tours.
The itinerary supporting his 'Down The Road Wherever' album will begin in Spain in the spring.
lang will be celebrated for her singular career at this year's 17th annual Americana Honours & Awards ceremony, at the Ryman in Nashville on 12 September 2018.
The UK Americana quartet will make their US debut at three highly prestigious addresses.
Fast-emerging British folk-Americana quartet the Wandering Hearts release their first EP, Burning Bridges, on Decca on 17 November 2017.