Ahead of the highly anticipated premiere of “Unpretty Rapstar” season 2, SISTAR‘s Hyorin has dropped a free project single in collaboration established underground rapper Kebee.

Released on September 8 through Starship‘s YouTube channel, the track entitled “The Wall Destroyer” gives fans a proper taste of Hyorin’s rapping skills and trademark husky voice. The lyrics talk about her wish of earning recognition as both a singer and a rapper. More importantly, she hopes to challenge her very own self by taking part in “Unpretty Rapstar.”

Meanwhile, “Upretty Rapstar” season 2 will kick off this upcoming Friday, September 11, at 11 P.M.