Jason Aldean has joined the lineup for the Stagecoach Festival, which will take place April 24-25 in Indio, Calif., near Palm Springs. As previously announced, the fourth annual festival will also feature performances by headliners Keith Urban, Toby Keith, Brooks & Dunn and Sugarland. Additional performers include Billy Currington, Little Jimmy Dickens, Merle Haggard, Joey & Rory, Heidi Newfield, Ray Price and Phil Vassar, among many others. Tickets are now available.