Sechs Kies has released their song, "School Song," in 1997 when they made a debut.
It has been 16 years when the group came out with their second album.
Listen to the title song, "Chivalry" for the second album:
https://www.kpopstarz.com/articles/49275/20131115/kpop-rewind-sechs-kies-chivalry.htm