K-Pop’s New Class 2017: Seohyun, NCT 127, Baek A Yeon + MoreK-Pop’s New Class 2017: Seohyun, NCT 127, Baek A Yeon + MoreFrom Baek A Yeon to NCT 127 to Seventeen, these are the artists who rose to the top of K-Pop's New Class of 2017.Tamar HermanTamar Herman