

0.0•2019•1 Season•Returning Series
Background Live
Reality
The show features a "hidden camera" or surprise concept where famous vocalists and musical artists hide in everyday environments—such as cafes, gyms, or restaurants—and pretend to be just background music playing from a speaker, only to suddenly reveal they are singing completely live right in front of unsuspecting citizens.
- Status
- Returning Series
- Original Language
- Korean
- User Votes
- 0
Top Billed Cast

IU
Self

Yoon Shi-yoon
Self

Zion.T
Self

Paul Kim
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