CMA Fest: The Music Event of Summer, the annual televised special filmed during June's four-day event in Nashville, will air in August on ABC. A newly released promo for the three-hour TV special focuses on superstar collaborations, with Lil Nas X's "Old Town Road" team-up with Billy Ray Cyrus and Keith Urban getting top billing.

Beyond a one-off version of the most talked-about (and polarizing) song of 2019, a press release about the 2019 CMA Fest TV special promises performances teaming Kelsea Ballerini and the Chainsmokers, Brothers Osborne with Brooks & Dunn and Ashley McBryde, Brantley Gilbert and Lindsay Ell, Tim McGraw with Luke Combs, Maren Morris and Brandi Carlile, and Carrie Underwood with Joan Jett. Additional advertised performer names include Dierks Bentley, Kane Brown, Luke Bryan, Dan + Shay, Florida Georgia Line, Chris Janson, Miranda Lambert, Little Big Town, Midland, Old Dominion, Pistol Annies, Rascal Flatts, Blake Shelton, Thomas Rhett and Brett Young.

For the third year in a row, Rhett and Ballerini will co-host CMA Fest: The Music Event of Summer, with radio personality Bobby Bones making his first appearance as special guest host. Readers can press play above to get a sneak peek.

CMA Fest 2019 was held throughout Music City on June 6-9. Hundreds of country artists from across the globe donated their time for the event, which raises funds for the CMA Foundation, which supports high-quality music programs across the country. The annual summer event began in 1972 as Fan Fair, and its been turned into a televised special for the previous 15 years.

CMA Fest: The Music Event of Summer will air on Aug. 4 at 8PM ET on ABC.

LOOK: See the Fun at CMA Fest 2019