Playing via Spotify Playing via YouTube
Skip to YouTube video

Loading player…

A new version of Last.fm is available, to keep everything running smoothly, please reload the site.

Large artwork
Join now and get 3 months for $0.99.

Related Tags

The group worked with hit composers and songwriters like Lee Sang Ho, Lim Sang Hyuk, Jeon Da Eun, and Wheesung to create four fresh songs including their title track O.K, an explosive rock and electronic dance number, and the sweet, lyrical ballad Only One. All the members helped write the lyrics for Bling Girl, which is composed by Jin Young.

Tracklist

Don't want to see ads? Subscribe now

Don't want to see ads? Subscribe now

API Calls