On November 4, the album's name was revealed to be Wonder World, consisting of 11 new songs, one remixed song, and an English version of the lead single, "Be My Baby". Various members of the group contributed to composing material for the album. Park Yeeun was the composer and lyricist for the song "G.N.O." and performed the arrangement and composition for "Me, In". 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. We thought it would be nice if we could make club music, done right, in Korean."[1]Woo Hyelim collaborated with rapper San-E for her solo song "Act Cool" for which also helped her write the rap lyrics.[2]Kim Yubin wrote the raps for the songs "Girls Girls" "Me, In" and "Sweet Dreams". Ahn Sohee and Yubin recorded a duet together called "SuperB", and Yeeun and Min Sunye also had a duet entitled "두고두고" (Long Long Time).[1] Renowned choreographerJonte' Moaning, who worked with American R&B artist Beyoncé on her song "Freakum Dress" and has served as a back-up dancer for "Single Ladies", helped choreograph the group's music video for "Be My Baby". Designer Johnny Wujek, who was also the fashion stylist for American pop artist Katy Perry's "I Kissed a Girl" and "California Gurls", also worked alongside the group.[3]Wonder World placed at number 1 on the Gaon Weekly Album Chart[4] and number 5 on Billboard's World Album Chart.[5] "Be My Baby" went to number 1 on both the Gaon Weekly Digital Charts[6] and the BillboardKorea K-Pop Hot 100.[7] The song was also featured on the group's TV movie, "The Wonder Girls", which aired on TeenNick.[citation needed]
Track listing
No.
Title
Lyrics
Music
Notes
Length
1.
"G.N.O."
Park Yeeun
Park Yeeun, Lee Woo-min, Fredrik
Girls Night Out. Rap by Yeeun, Cho Jong-soo.
3:30
2.
"Be My Baby"
J.Y. Park "The Asiansoul"
J.Y. Park "The Asiansoul
3:31
3.
"Girls Girls"
Kim Yubin, Shim Eun-ji
Shim Eunji
Rap by Yubin.
3:33
4.
"Me, In"
Kim Yubin, Park Yeeun, Shin Jung-hyeon
Shin Jung-hyeon, Park Yeeun
Sampling of Shin Jung-hyeon's “The Beauty”. Rearranged by Park Yeeun, Lee Woo-min. Rap by Kim Yubin.
^ ab"2011년 47주차 Album Chart". Gaon. Archived from the original on February 10, 2015. Retrieved February 11, 2015. {{cite web}}: |archive-date= / |archive-url= timestamp mismatch; February 11, 2015 suggested (help)
^"2011년 47주차 Digital Chart". Gaon. Archived from the original on February 10, 2015. Retrieved February 11, 2015. {{cite web}}: |archive-date= / |archive-url= timestamp mismatch; February 11, 2015 suggested (help)