It is co-created by Peng Xun and SBS for the 24th anniversary of the China-South Korea relations.
Between episode 2 and 9, there will be voting from netizens to pair the participants for collaboration.
The song that receives the most votes in recording room in each episode will go to the final round.
The song that receives the most votes from both recording room and online in the final round will win.
Episode 2: Team selection Pairs were made based on the glasses each of them chose.