On Sept. 19, songwriter Charlotte Wilson shed tears as she watched the performance of “DICE” by rookie K-pop girl group NMIXX at YES24 Live Hall in eastern Seoul. Seeing the septet take the stage with the new song that she composed made her feel extremely emotional, although it was not the first time that a popular K-pop act performed her song. “NMIXX members are like my little sisters, and it was a dream-come-true for me to see them perform my song,”