I Am a Singer
In 2012, "Roly-Poly" was made into a stage musical starring T-ara's Hyomin, Jiyeon and Soyeon, Kang Min-kyung (Davichi), Jang Hye-jin ("I Am a Singer"), veteran musical actress Park Hae-mi, Han Ji-sub, Kim Jae-hee and Yoon Young-joon.