The second round of performers for the 57th annual CMA Awards has been revealed.Luke Combs, Morgan Wallen, Ashley McBryde, Kelsea Ballerini, Kenny Chesney, Alan Jackson, Dan + Shay, Jordan Davis, Cody Johnson, HARDY, Zac Brown Band, The War And Treaty, Mac McAnally and singer/rapper Post Malone have been added to the performance bill ...