 In the recruitment challenge, contestant can choose to write part of their lyrics based on a popular rap track, and unlike The Voice, the contestants' identity will be revealed after the first part of the performance.If more than one 'house' want accepted the contestants, each house will use diamonds (as in the idiom 'diamond in the rough' ) to bid on the contestants, but if the house run out of diamonds each episode, they can only pick members that were unopposed.In the 1-on-1 challenge, two rappers go head-to-head to a track with adjusted lyrics by their mentor, but contestants can perform with their own lyrics.