The live stream not only features a curated line-up of performances, but also behind-the-scenes video from the festival grounds that starts this weekend 12-14 April.
Urban was named Entertainer of the Year at the Las Vegas event, where Rhett won the Male Artist category and there was double success for Musgraves.
The single arrives just before Dunn heads out on the 2019 CMT Next Women of Country Tour with Cassadee Pope and Hannah Ellis.
The annual festival returns to San Francisco’s Golden Gate Park from 9-11 August.
The ceremony which aired on Fox was hosted by rapper T-Pain and featured performances by Halsey, Garth Brooks and Kacey Musgraves, among others.
Reba McEntire will be hosting the ceremony which will take place on 7 April at the MGM Grand Garden Arena in Las Vegas.
iHeartMedia also announced that Taylor Swift will receive the iHeartRadio tour of the year award for her Reputation Stadium Tour.
The song is an atmospheric trailer for the Nashville band's upcoming album 'Pep Talks,' due for release on 3 May on Cletus The Van Records.
Jason Aldean, Maren Morris, Miranda Lambert and many more are also shortlisted for the 53rd ACM Awards, to be staged in April 2019.
After coming from New York in 2018, the 61st Grammy Awards ceremony came from the Staples Center in Los Angeles.
Also in Grammys news, stars including J Balvin, Arturo Sandoval, Ricky Martin and Young Thug are set to join Camila Cabello onstage at this year's awards.
The Grammys said the performance would “honor the icon and celebrate the rich history of her greatest musical accomplishments.”
Kacey Musgraves, Jack White, Keith Urban and more will play Loretta Lynn: An All-Star Birthday Celebration Concert in Nashville.
Lil Wayne, The 1975, Kacey Musgraves and more also confirmed for the event.
Steve Winwood plays the organ, Ozzy Osbourne models a Christmas jumper and Smokey Robinson remembers a holiday Motown Revue.