It is a reality show where singles search for love through music. Participants blindly select a song and can only see each other's faces if they achieve perfect harmony while performing a duet together.
Kyuhyun
MC
Yoon Sang
하트메이커
Sung Si-kyung
Gummy
Love Is Blind
Too Hot to Handle
Dating Naked UK
Perfect Match
The Ultimatum: Marry or Move On
UnREAL
Naked Attraction
Love Island USA
Four Hands, Two Sonatas
Love Island Games
The Circle
Match Game