Time to check in on “American Idol” and “The Voice” before they butt heads at 8 p.m.
Call it the Singing Show Showdown. The three singers left on this season of “American Idol” perform for the spots in the coveted finale. The FOX cameras were rolling as Kree Harrison, Angela Miller and Candice Glover traveled home to face stunning adulation, too. The hometown visits have proved to be one of the most…