GwenStefanijoinsreturningcoachesKellyClarkson,JohnLegendandBlakeSheltonastheybegintheirsearchforthebestvoiceinAmericaonthefirstnightofblindauditions,vyingtodiscoverandcoachthenextsingingphenomenon.直(zhí )到普及人(🌟)数达到(📻)(dào )30000人的任务要求才停了下来(lái )。