ACM's Top Performances: Blake Shelton, Keith Urban, Jason Aldean

On any country music award show the performances¬†are the highlight and that was certainly true of tonight's 54th Annual Academy of Country Music Awards; ¬†a handful of artists debuted new singles on live TV including Luke Bryan who sang "Knockin' Boots," Little Big Town who premiered their new song "The Daughters" and Blake Shelton who…