Bob Harris introduces highlights of the 51st annual CMA Awards from Nashville, Tennessee. Hosted by country music superstars Brad Paisley and Carrie Underwood, the CMAs are the biggest night of the year in the country music calendar. Performers announced include Garth Brooks, Eric Church, Miranda Lambert, Little Big Town and Keith Urban as well as collaborations featuring pop star P!NK, Tim McGraw & Faith Hill, and Niall Horan & Maren Morris.