Other artists set to appear include Lionel Richie, Little Big Town, and more.
‘What A Song Can Do’ is out October 22.
Lady A and ever in-demand songwriter Ross Copperman will receive the Gary Haber Lifting Lives Award.
This year’s 2021 ‘CMT Music Awards’ will spotlight music’s biggest hitmakers and all-star nominees.
The tour begins July 29 in Connecticut and wraps up in New Hampshire on October 10.
Scott's first edition of the biweekly, two-hour program aired on March 28, with songs, special guests, and personal stories.
The song is a preview of what will be the country trio's first album under the name Lady A.
Current applications for funding from the scheme are open until March 15.
The two-hour TV show was hosted from the famous country institution by Blake Shelton and Brad Paisley.
The emotional song pays tribute to fallen idols, with nods to Kenny Rogers, Whitney Houston, Tom Petty, and many more.
The new edition marks the first anniversary of the original set, which included the trio's country airplay No.1 'What If I Never Get Over You.'
The special, hosted by Thomas Rhett and Lauren Akins, will air on November 30 on ABC.
The additional performers will join Justin Bieber, Miranda Lambert, Maren Morris, and more for country music's biggest night.
The set now features four newly-added including Christmas staples by Paul McCartney and the Beach Boys.