Brooks & Dunn will receive the Academy of Country Music's Milestone Award during an all-star tribute concert in Las Vegas on April 19, one day following the ACM Awards. The event will be filmed at the MGM Grand Garden Arena and will air on CBS at a later date. Titled ACM Presents: Brooks & Dunn -- The Last Rodeo, the special will feature performances by Kenny Chesney, Reba McEntire, Rascal Flatts, Carrie Underwood and Keith Urban, with additional performers to be announced. Tickets will go on sale on Friday (Jan. 15).