TS Entertainment's upcoming girl group,�SONAMOO, unveiled the silhouette of its fourth member and asked fans to enter their suggestions for her stage name! To help you figure out a name for her, a self-written rap track called "Light the Fire" has been released to showcase her skills before the group's upcoming debut.

SEE ALSO: TS Entertainment's new girl group to be called SONAMOO + third member introduced

SONAMOO unveiled the image you see above on their official fan cafe and Facebook on the 31st, announcing the contest for the stage name of the fourth member. According to TS Entertainment, the fourth member is 20 years old, attends Dongduk Women's University as a theatre and film major, and possesses a glamorous figure. She will be the rapper of the group with her rapping skills and low, charismatic voice.

If you don't remember the first three introduced members�Nahyun,�New Sun, and Eui Jin, you�can read about them�here,�here, and here.

Check out the 4th member's rap below and see if you can think of any good stage names for her!