Mystery Music Show: King of Mask Singer

Hanbin from ZEROBASEONE and Mad Clown give some hints about who Yippie Colombia and Red Ruby can be. Who is this expert singer with soaring high notes, whom Hye Jin thinks might be a student of hers? Who is the masked singer with a powerful voice and a sorrowful sentiment who can pull off any genre? Will Soulful Piano be able to keep her Throne for the second time against a new contender?