Hundreds of young Mississippians and Alabamans knelt in a dark room, their foreheads to the floor and tears streaming down their faces as each mouthed inaudible prayers, a foreboding melody drowning out their voices. On the stage in front of them, violet lights illuminated the hair of musicians and ministers on the stage, save for a balding man with a thick mustache who squeezed his eyes and rocked back-and-forth as he spoke.