NASHVILLE, TN - NOVEMBER 06: Singers Kix Brooks (L) and Ronnie Dunn of Brooks & Dunn perform onstage at the 40th Annual CMA Awards at the Gaylord Entertainment Center November 6, 2006 in Nashville, Tennessee. (Photo by Scott Gries/Getty Images)

NASHVILLE, TN - NOVEMBER 06: Musicians Kix Brooks (L) and Ronnie Dunn of Brooks & Dunn pose with their "Vocal Duo of the Year," "Music Video of the Year," "Single of the Year" and "Song of the Year" awards in the press room at the 40th Annual CMA Awards at the Gaylord Entertainment Center November 6, 2006 in Nashville, Tennessee. (Photo by Peter Kramer/Getty Images)

PHOENIX, AZ - MARCH 10: Kix Brooks (L) and Ronnie Dunn of Brooks and Dunn perform onstage at Celebrity Fight Night XXIV on March 10, 2018 in Phoenix, Arizona. (Photo by Emma McIntyre/Getty Images for Celebrity Fight Night)

NASHVILLE, TENNESSEE - AUGUST 08: Ronnie Dunn and Kix Brooks of Brooks and Dunn attend Country Music Hall of Fame and Museum opening of Brooks & Dunn: Kings of Neon at Country Music Hall of Fame and Museum on August 08, 2019 in Nashville, Tennessee. (Photo by Jason Kempin/Getty Images for Country Music Hall of Fame and Museum)

NASHVILLE, TENNESSEE - OCTOBER 20: Kix Brooks and Ronnie Dunn of Brooks and Dunn attend the 2019 Country Music Hall of Fame Medallion Ceremony at Country Music Hall of Fame and Museum on October 20, 2019 in Nashville, Tennessee. (Photo by Terry Wyatt/Getty Images for Country Music Hall of Fame and Museum)

Brooks and Dunn rehearse for "The 29th Annual American Music Awards" at the Shrine Auditorium in Los Angeles, Ca. Monday, January 7, 2002. Photo by Kevin Winter/Getty Images.