Following G.NA and Kim Hyun Joong, the next artist to sing for the OST (soundtrack) of MBC's drama "Playful Kiss" is none other than SISTAR's Soyu! The track is titled, "Should I Confess" (사랑한 다 말할까), and it was recently released through online music portal sites. As you will hear from listening below, the track showcases Soyu's smoothing powerful vocals that could not be heard quite often during her promotions with the members of SISTAR. This is also her first solo-track she has ever released, so check it out below!
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