It began to air on MBC on Fridays at 21:30 (KST) beginning April 8, 2016.
[2] On November 18, 2016 (episode 29), Baek Ji-young announced to leave the show as host due to her pregnancy.
[3][4] Not including pilot episodes: Seven celebrity artists choose a non-celebrity partner from a selection of people who submit performances to perform a duet of their choice.
Each pair is given exactly 4 minutes to perform and earn votes from the 500 live voters in the audience and the celebrity panel.
The voting results are shown directly on the screen behind the performers, and at the end of all the performances, the duo with the highest vote count is the winner for the episode.