Our last time capsule of the year is full of girl power, catchy tunes, legendary vocals and well-known choreography. Let’s dive into the 2011 single ‘Ma Boy’ by SISTAR19.  SISTAR19 was the first SISTAR sub-unit project including Hyolyn and Bora, their debut song  ‘Ma Boy’ definitely became a kpop classic that many fans will recognize as soon as it plays.  ...