【Mask King】.

‘Mask King’ is a competition between 8 celebrities compeletely hidden from mask while they sing. The program focuses on the stars singing abilities and guesses whose faces are hidden behind a mask.
Reported by 'Mask King' team, the line up or singer casting will be kept as a secret for each week.

★★★More “King of Masked Singer” clips are available★★★
WAVVE
https://www.wavve.com/player/vod?programid=M_1000790100000100000&page=1
iMBC
http://www.imbc.com/broad/tv/ent/sundaynight/common_page/vod/