I Can See Your Voice (South Korean game show) season 4

The fourth season of the South Korean television mystery music game show I Can See Your Voice premiered on Mnet and tvN on March 2, 2017.

Format
Under the original format, the guest artist(s) can eliminate mystery singers after each round, and ended with the last remaining mystery singer depending on the outcome of a duet performance by themselves.

If the singer is good, he/she will have release a digital single; if the singer is bad, he/she wins.

Rounds
Each episode presents the guest artist with six people whose identities and singing voices are kept concealed until they are eliminated to perform on the "stage of truth" or remain in the end to perform the final duet.

Postseason Showcase (July 6, 2017)
A postseason showcase was held one week after its finale, including an encore concert featuring mystery singers returning to perform one last time, as well as rankings on mystery singers' performances for the previous seasons, including the current one.

Reception
Sources: Nielsen Media Research and TNmS