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Well-known through a survival program, the 9 members are ready to surprise the world with the name, SF9, meaning 'Sensational Feeling 9'.
With SF9's charisma in full view, "K.O." is a powerful song, full of suspenseful sounds and straightforward lyrics.
Visit ‘Simply K-Pop’ Official Pages
Facebook: / arirangsimplykpop
Twitter: / _simplykpop
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Visit ‘Arirang K-Pop’ Official Pages
Facebook(K-POP): / arirangkpop
Google+(K-POP): plus.google.com...
Homepage: www.arirang.com
Facebook: / arirangtv
Twitter: / arirangworld
Instagram: / arirangworld