Earlier, Brown Eyed Girls member Ga-In released a remake of As One's "For You Not To Know", which was first released back in 1999.

The remake is for the famous composer Yoon Il Sang's 21st year anniversary album "I'm 21." He personally selected some of his own favorite hits and collaborated with hottest artists to create modern remakes of his songs.

In the addition to the audio version realeased earlier, the full music video for "For You Not To Know" has been unveiled. Ga-In superbly delivered the emotions of the song.

Check out the MV below!