2011 - 3 tracks

Real + - IU

2011 - 6 tracks

I□U [Japanese Album] - IU

2011 - 6 tracks

I □ U - IU

2011 - 1 tracks

Alicia OST - IU

2011 - 2 tracks

Ice Flower (Single) - IU, Kim Yuna

2011 - 13 tracks

Last Fantasy - IU

2011 - 1 tracks

Ice Flower - IU

2011 - 2 tracks

Like You - WANTED,IU - IU

2011 - 3 tracks

2012 Yeoso World Expo - IU

2011 - 2 tracks

The Greatest Love OST Part.4 - IU

2011 - 13 tracks

Last Fantasy - IU

2011 - 7 tracks

Real+ - IU