Lee Brice and Thompson Square will take part in a tribute concert to the military during the ACM Experience in Las Vegas on March 31. The concert is free and open to the public. Brice is nominated in the ACM's song of the year category for co-writing the Eli Young Band's "Crazy Girl," while Thompson Square received a nomination in the vocal duo category. Larry Gatlin and the Gatlin Brothers, JT Hodges, Kip Moore and Craig Morgan will also appear at the event hosted by singer and HLN news anchor Robin Meade. The ACM Experience will be held at the Mandalay Bay Resort and Casino. The military tribute concert will begin at 7:30 p.m.