On Sunday, SISTAR member Bora wrote on her Twitter, "Guckkasten's stage is the best! Wow! While watching it, I got goosebumps. I can't believe that they sang along to SISTAR's "Alone."  Thank you! Congratulations on 1st place."

Bora talked about Guckkasten's performance of SISTAR's song "Alone" on MBC's "I Am A Singer 2."

Guckkasten sang "Alone" and was 1st place for group A of the month of October. 

Sinawi sang Psy's "Gangnam Style," giving the audience a great time.