- Had an album “SZ 1st Album” in 2000.
- Used to be a member of “Kiss Five” in 2005.
- Participated in Son Dambi’s “Bad Boy” performances as a dancer as part of her training in 2008.
- Participated in Snow Village project with K.Will, Tei, Brown Eyed Girl’s Miryo, Kan Mi Yeon & Suki.
- Participated in “You’re Cute” track from MBC Drama “Pasta” OST album
She is the 2nd Main Vocalist after Raina.
Become true fan of Jung Ah to write a fan message
Jung Ah Unnie!!! Advance Happy Birthday!!! We always love you and support you!!! Your one of the best leader for me!!! I Love You Unnie!!! 
Love you!!!
I love you Jung Ah!!
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