K-pop groups consists of many members which wherein it is quite unknown what their parts are until you hear their voices.
Who are the best singers of the current K-pop girl groups?
Find out:
https://www.kpopstarz.com/articles/49771/20131120/singers-korean-singers-pop-stars-pop-music-music-females-snsd-brown-eyed-girls-wonder-girls-ladies-c.htm