The fourth season of the Philippine television mystery music game show I Can See Your Voice was originally scheduled to premiere on Kapamilya Channel and A2Z on January 8, 2022, but it was suddenly occupied by a replay of 1MX Manila 2021 in its timeslot instead, and then pushed back later to January 15, 2022.
At the time of filming during the COVID-19 pandemic, health and safety protocols are also implemented.
According to the original South Korean rules, the guest artist(s) must attempt to eliminate bad singers during its game phase. At the final performance, the last remaining mystery singer is revealed as either good or bad by means of a duet between them and one of the guest artists.
At the end of each round, an eliminated mystery singer gets a consolation prize starting from (for the first round), (for the second round), to (for the third round). If the last remaining mystery singer is good, the guest artist(s) receive an Eye-ward trophy. The winning mystery singer, regardless of being good (SEE-nger) or bad (SEE-ntunado), gets .
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