T-ara members (7): Boram, Qri, Soyeon, Eunjung, Hyomin, Jiyeon & Hwayoung
2009.04 – Released first song Good Person for Cinderella Man soundtrack
2009.06 – Original members Jiae and Jiwon left. Soyeon, Boram and Qri added
2009.07 – Released digital single Lies (official debut)
2009.09 – Released digital single TTL (Time to Love), collaboration with Supernova
2009.10 – Released digital single TTL Listen 2
2009.12 – Released album Absolute First Album (including Bo Beep Bo Beep)
2010.02 – Released repackaged version for first album, titled Breaking Heart (including I Go Crazy Because of You and I’m Really Hurt)
2010.04 – Released Bubi Bubi, commercial song for KT Telecom
2010.06 – Released We’re The One, FIFA World Cup theme song
2010.12 – Released mini-album Temptastic (including Why Are You Being Like This and YaYaYa) with new member Hwayoung
2011.06 – Released mini-album John Travolta Wannabe (including Roly Poly)
2011.08 – Released Roly Poly in Copacabana (Roly Poly mixed version)
2011.09 – Official debut in Japan with Japanese version of Bo Beep Bo Beep
2011.09 – Released digital single Log-In
2011.11 – Released Black Eye (Cry Cry) mini album
2011.11 – Released Japanese version of YaYaYa
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