In what year was the album “Black Box” released by Brown Eyed Girls?

In what year was the album “Black Box” released by Brown Eyed Girls?: The album “Black Box” was released in 2013 by Brown Eyed Girls, featuring 9 tracks.
What is the most successful song from the album “Black Box” by Brown Eyed Girls?: “KILL BILL (킬빌)” is the biggest hit from the album “Black Box” by Brown Eyed Girls.

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