Biografía de Kassy (케이시)
Kim So-yeon, known by the stage name Kassy (케이시), is a South Korean singer-songwriter. Since her debut in 2015, she has released five extended plays and numerous singles. In 2016 she competed on the survival reality show Unpretty Rapstar 3. Fuente: https://en.wikipedia.org/wiki/Kassy_(%EC%BC%80%EC%9D%B4%EC%8B%9C) (CC BY-SA 4.0)
