It’s been almost two years since Brown Eyed Girls have been active as a group. Their most recent single was “Sign“, released in October of 2009. Management agency Nega Network stated, “For songs like ‘Abracadabra‘ and ‘Sign‘, it took them 8 months to master for their comeback. It’s not the time to reveal the new concept, but we tried our best to make the songs at the level of ‘Abracadabra’ and ‘Sign’, it’s just now that we’re happy with the results.”