The Academy of Country Music announced its second round of talent participating at the 13th annual ACM Honors ceremony: Lauren Alaina, Bobby Bones, Caylee Hammack, Miranda Lambert, Shane McAnally, Midland, Billy Joe Shaver and Chris Young. Previously announced artists include Keith Urban, Chris Janson, Maddie & Tae, Barbara Mandrell, Ashley McBryde, Tenille Townes and Trisha…