Yesterday , well known boy band , Big Bang released a new song , which is also IRIS OST , named " HALLELUJAH " . However , the song released wasn't a clean Full Version , it's associated with some scenes of drama " IRIS " . Now , the clean Full Version is OUT ! Enjoy the song " HALLELUJAH " below !
Credits to : skn2ne1@Youtube
Thanks yaney for the tip
Source : iBigBang Fansite
Credits to : aleee@iBigBang Fansite