Via tokyohive:

On March 1st, South Korean 7-member girl group T-ara surprised people in front of Shibuya 109 in Tokyo with a little guerrilla performance.

The event was organized by fashion brand 'moussy' in order to celebrate the completed renovation of their Shibuya 109 store.

T-ara was supposed to hold a 30-minute mini concert at the event, but the organizers were surprised by the large number of fans who heard the news and spectators who gathered in front of the stage. After just five minutes into the event, more than 500 people gathered in front of the stage, which made it too dangerous for them to continue and forced the organizers to suspend the event.

The members were really sorry that they were only able to perform one song, "Roly-Poly". They bowed to the spectators before leaving the stage and thanked them for coming.

The year before last, fellow South Korean girl group KARA also held a guerrilla concert in front of Shibuya 109, which had to be suspended after just three minutes as well.

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Sources: eiga.com, GeinoNewsLounge