In a strange turn of events,the SISTAR members ended up craying because of the cold reaction from an audience. Recently, SISTAR appeared.

On a special episode of Mnet's "School of Rock- The Energy Strikes Back" The Show has singers visiting middle to high school students and holding surprise performance for them.

On this day, Hyorin,Soyou,Bora and Dasom went to a high school located in Suwon. Once there, the SISTAR members made their surprise appearence. But, despite the fact that it was SISTAR all of the students didn't show a response and this caused the SISTAR members to be a shocked. They ended up crying.

This episode will broadcast on January 16. The highlight of the show       will be made available through YouTube.