Passage: Secret (Korean: 시크릿) je egbe awon omobirin K-pop ti South Korea ti TS Entertainment da ni 2009. Awon omo egbe yi ni won je Jun Hyoseong, Jung Hana, Song Jieun ati Han Sunhwa. Won tu awo orin won I Want You Back jade ni October 2009. Awon omo egbe yi ko ni aseyori to dara, won si ni aseyori to dara ni odun to nbo. Ni 2010, Secret tu awon awo orin meji ti Magic ati Madonna ti o ni ifojusi pupọ pẹlu awọn awo orin mejeeji ti o wa ni No. 2 ati No. 1 lori Gaon Digital Chart.
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