and performed the arrangement and composition for "Me, In", a remake of the 1974 hit "The Beauty" by Shin Jung-hyeon and YeopJeons.

[1] In an interview she commented about the strong American influence that she had received while working on new music in the album as she stated "When I went to a club, I heard songs from Rihanna and LMFAO.

"[2] Woo Hyelim collaborated with rapper San-E for her solo song "Act Cool" for which also helped her write the rap lyrics.

[6] The album entered and peaked at number 4 on the chart for the month of November 2011 with 35,051 physical copies sold.

[11] The song was also featured in the group's TV movie, Wonder Girls at the Apollo, which aired on TeenNick.