SISTAR's Bora is impressed by Gukkasten's performance of "Alone" on 'I Am a Singer 2'

The indie band Gukkasten recently performed a version of SISTAR's hit song "Alone", and member Bora expressed her amazement at the awesomeness of the performance through SISTAR's official Twitter account.

"Gukkasten's performance was the best!!!!! Wow~ I got goosebumps ~.~ To think he sang SISTAR's "Alone" ... thank you so much!"

Meanwhile, Gukkasten placed in first place for their amazing rendition of the track. Check out their version below!