Take a closer look at the ACM nominees for Entertainer of the Year: Miranda Lambert, Garth Brooks, Luke Bryan, Jason Aldean and Florida Georgia Line. A panel of music experts weighed in on each nominated artist to tell you the stories behind their pop culture impact. Which artist best encapsulated 2014 and deserved to win Entertainer of the Year at the 50th Annual Academy of Country Music Awards? Be sure to catch the ACM Awards on Sunday, April 19 at 8 p.m. ET on CBS. For more ACM Awards coverage, visit http://radio.com/category/acm-awards/