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Again is the fifth extended play by South Korean girl group T-ara, It was released on October 10, 2013 by Core Contents Media. It was the first album released after member Lee Areum left the group, and the first to feature the original six-member line-up since T-ara's debut.
On October 6, 2013, T-ara announced the impending release of double lead singles to promote their upcoming EP, Again.[1] The album was released digitally on October 10, including the singles "Number 9" (넘버나인) and "Because I Know" (느낌 아니까; Neukkim Anikka) and their music videos.[2] "Number 9" is an electro-pop dance song with sad lyrics and melody. It was choreographed by Yama & Hotchicks, who also choreographed "Bo Peep Bo Peep".[3] "Because I Know" is a mid-tempo song with an acoustic feel.[4]
A repackaged edition of the EP, Again 1977, was released on December 4, 2013. It contains two new songs, "Again 1977" and "Do You Know Me", a remake of Sand Pebbles' 1977 hit, "What Should I Do".[5][6] The EP was repackaged and digitally re-released again, on December 14, 2013, as White Winter with two Christmas songs, "Hide and Seek" and "Middle of Winter Hide and Seek".
The EP reached number 2 on the South Korean Gaon Weekly Albums Chart[7] and number 45 on Japan's Oricon Weekly Albums Chart as a Korean import.[8] The single "Number 9" reached number 5 on the Gaon Weekly Digital Chart[9] and number 4 on Billboard's Korea K-Pop Hot 100.[10] "Because I Know" charted at numbers 41[11] and 21[12] on the Gaon and Billboard charts, respectively.
