Lost Child Jul 19, 2011
Boo May 16, 2011
Good Day Feb 7, 2011
A Story Only I Didn't Know on Feb 16, 2011
Cruel Fairy Tale Mar 18, 2011
marshmallow May 16, 2011
Hey(???) (Rock Ver.) May 16, 2011
You & I Nov 28, 2011
Last Fantasy Feb 9, 2012
Every End of the Day May 10,2012





SBS 19-Nineteen OST (Fifth Finger) 2009.11.12
SBS Paradise OST(Danny Boy) Jul 29, 2011
MBC Greatest Love OST (Hold My Hand) May 24, 2011
Queen Seon Duk OST (Wind Flower) Apr 3, 2010
Queen Seon Duk OST (To the sea) Nov 22, 2011




Digital Single / Various Artist / CF ( Commercial Film )
Suga Luv / IU feat Bizniz 2009.7.2
Nagging / IU Feat Seulong 2AM 2010.7.29
Raindrop 2010.8.21
Someday 2011.1.6
I don't Know Love yet 2011.2.8
Stories told by the Sea English Version 2011.5.10
It'll Be Fine - 2012 Elite promotional song / IU feat INFINITE 2011.11.30
Love is Hooroorook (Nongshim Noodles) 2012.3.18
IU & Kim Yuna(??? & ???) _ Ice Flower(???) 2011.6.22
IU & Yoo Seung Ho - I Believe In Love 2010.8.3
Online Game Action Horse Riding (Alicia) 2011.1.31
Because I'm A Girl 2011.7.5
I Know ft Seungri 2011.3.25
Melody of the Wind 2011.4.25