THE mentors took their seats at the front of the room, settling behind a table. Before they began reviewing each contestant's progress, the staff circulated the room, handing out name tags to everyone—likely so the mentors could address them more easily. Once the name tags were distributed, the contestants were instructed to form a straight line, standing side by side, facing the seated mentors.
"When your name is called, step forward and sing the theme song," Yoon Jihoon instructed. "You'll start a cappella, but if we feel you're having difficulty, we'll let you sing with the backing track."