The fourth season of the Belgian Dutch-language television mystery music game show "I Can See Your Voice" premiered on VTM on 25 April 2025. Gameplay. Format. According to original South Korean rules, the guest artist(s) and contestants eliminate mystery singers at the end of each round, with the last remaining mystery singer ended up in a duet performance by one of the guest artists. If the last remaining mystery singer is good, the contestants win ; this is also applied to the winning bad singer selected by them. Episodes. Source(s): Reception. Source: