AA (or "Double A") has been causing a stir over the past month through the gradual introduction of their members. They also made headlines with their performance at the '2011 K-POP Super Concert' with fellow labelmate and actress, Ha Ji Won. On November 4th, the boys launched their official debut through 'Music Bank' with their title track, "Because I'm Crazy", an electro-dance song composed and produced by member Aoora. Check out their performance below!
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