[All] Song Ga-in, 'Gain; Moon' first week sales exceed 20,000 copies... first female trot singer

'Gain;Dal' has already recorded the highest initial sales among female trot singers of all time, selling 18,636 copies in just 2 days since its release. This is about twice the sales of the previous #1. Furthermore, she has proven once again that she is a true representative artist of trot by being the first female trot singer to sell 20,000 copies in the initial week.