CMT Hot 20 Countdown is coming to you from Los Angeles this weekend as we hang with the cast of Sun Records. Enjoy our exclusive interviews with Chad Michael Murray, Billy Gardell, Kevin Fonteyne, Jennifer Holland, and Christian and Jonah Lees. Also on the show, see the world premiere of John Mellencamp's new music video featuring Martina McBride. Then we go behind the scenes with Florida Georgia Line and the Backstreet Boys, get ready for a new edition of CMT Crossroads, and talk about Frankie Ballard's wedding day. Enjoy all this and more Saturday and Sunday mornings at 9/8c.