The guests 1 (singer) must find the singer only 1 Puzzle people from all 7 people. To sing fit meet engineering. Without knowing any voice or sound is distorted singer puzzle with the help of แก๊งนักสืบ (experts 2 people and celebrities 3 people). The guests will steer the singer puzzles that think this weird sound out in each round. (by singer puzzle eliminated will reveal his own voice. That beautiful voice or sound is distorted). Until the last remaining singer puzzle to qualify sing feet found. With guests.