[Audio] Seungri released a duet with IU ' I KNOW '

Just like what he said earlier, Big Bang Seungri finally released a duet with solo singer IU titled ' I KNOW'. They already wanted to do a duet since three years ago. This song is so nice and romantic. Great Job seungri and IU!
Enjoy this song!

What do you guys think? :)
cr: LadyParisina @youtube.com